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Finding the Fourth Proportional to 534,385.80, 737,469.18 and 292,691.52

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Solution

The fourth proportional to 534,385.80, 737,469.18 and 292,691.52 is: 403,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,385.80 : 737,469.18 = 292,691.52 : x
  2. Step 2: Convert to fraction form
    534,385.80/737,469.18 = 292,691.52/x
  3. Step 3: Cross multiply
    534,385.80x = 737,469.18 × 292,691.52
  4. Step 4: Simplify right side
    534,385.80x = 215,850,975,247.35
  5. Step 5: Solve for x
    x = 215,850,975,247.35/534,385.80
  6. Step 6: Final answer
    x = 403,923.49

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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.