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Finding the Fourth Proportional to 657,327.44, 984,480.12 and 417,423.44

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Solution

The fourth proportional to 657,327.44, 984,480.12 and 417,423.44 is: 625,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,327.44 : 984,480.12 = 417,423.44 : x
  2. Step 2: Convert to fraction form
    657,327.44/984,480.12 = 417,423.44/x
  3. Step 3: Cross multiply
    657,327.44x = 984,480.12 × 417,423.44
  4. Step 4: Simplify right side
    657,327.44x = 410,945,078,302.01
  5. Step 5: Solve for x
    x = 410,945,078,302.01/657,327.44
  6. Step 6: Final answer
    x = 625,175.60

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1.5x scale

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.