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Finding the Fourth Proportional to 534,909.17, 738,250.26 and 331,025.76

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Solution

The fourth proportional to 534,909.17, 738,250.26 and 331,025.76 is: 456,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,909.17 : 738,250.26 = 331,025.76 : x
  2. Step 2: Convert to fraction form
    534,909.17/738,250.26 = 331,025.76/x
  3. Step 3: Cross multiply
    534,909.17x = 738,250.26 × 331,025.76
  4. Step 4: Simplify right side
    534,909.17x = 244,379,853,386.70
  5. Step 5: Solve for x
    x = 244,379,853,386.70/534,909.17
  6. Step 6: Final answer
    x = 456,862.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.