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: [-61.481, 118.712, 225.807, 228.406, -78.738, -19.418, 35.621]
Example Output: [-0.137  0.264  0.503  0.509 -0.175 -0.043  0.079]

Example Input: [18.236, 32.285, 84.095, -11.303, 0.055, -50.532, 151.411]
Example Output:
[ 8.132e-02  1.440e-01  3.750e-01 -5.040e-02  2.453e-04 -2.253e-01
  6.752e-01]