indesign illustrator justification justify enlargement font size

Justify by font enlargement in InDesign / Illustrator?

Dear Typophiles,

I was really hoping there would be a way to justify lines by automatically adjusting their font size. I have searched for hours to find a solution, but the only solution I can find is ye olde 'do it by hand' method.

Can somebody please help me?

To be clear, here are some examples of what I mean:

I hope someone can help. Thanks very much in advance!