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Finding the Fourth Proportional to 655,877.03, 981,593.31 and 403,317.41

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Solution

The fourth proportional to 655,877.03, 981,593.31 and 403,317.41 is: 603,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,877.03 : 981,593.31 = 403,317.41 : x
  2. Step 2: Convert to fraction form
    655,877.03/981,593.31 = 403,317.41/x
  3. Step 3: Cross multiply
    655,877.03x = 981,593.31 × 403,317.41
  4. Step 4: Simplify right side
    655,877.03x = 395,893,669,445.94
  5. Step 5: Solve for x
    x = 395,893,669,445.94/655,877.03
  6. Step 6: Final answer
    x = 603,609.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.