In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[68.289, 220.729, 122.233, -95.561, 247.355, 157.934, 90.202, -1.196, 54.923, 208.545]
[ 0.064  0.206  0.114 -0.089  0.23   0.147  0.084 -0.001  0.051  0.194]