Awhile back, I wrote about seventy sevens and suggested that the figure of an evaluation period of 490 years might also have a connection with 430 years (as in the case of the sin of the Amorites), if you count as Sabbath not only Sabbath years but also jubilee years.
There is another evaluation period of 430 years in Ezekiel, broken into a 390 + 40:
“Then lie on your left side, and place the punishment of the house of Israel upon it. For the number of the days that you lie on it, you shall bear their punishment. For I assign to you a number of days, 390 days, equal to the number of the years of their punishment. So long shall you bear the punishment of the house of Israel. And when you have completed these, you shall lie down a second time, but on your right side, and bear the punishment of the house of Judah. Forty days I assign you, a day for each year. And you shall set your face toward the siege of Jerusalem, with your arm bared, and you shall prophesy against the city. And behold, I will place cords upon you, so that you cannot turn from one side to the other, till you have completed the days of your siege. (Ezekiel 4:4-8)
430 years of evaluation plus 70 years of judgment makes for a nice round 500 years.
I think we still must take Daniel’s seventy sevens symbolically. There are more, not less, than 490 years to be made up between Cyrus and Jesus.