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.

Example Input: [-78.083, 47.943, -80.073]
Example Output: [ 0.708 -0.435  0.727]

Example Input: [45.532, 131.328, 173.809, -99.361, 45.882, 226.094, 12.686]
Example Output: [ 0.085  0.245  0.324 -0.185  0.086  0.422  0.024]

Example Input: [27.0, -67.331, 148.479, 212.478, 83.204, 184.995, -78.713, 231.503, 139.485]
Example Output:
[ 0.031 -0.076  0.169  0.241  0.094  0.21  -0.089  0.263  0.158]