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Finding the Fourth Proportional to 591,753.80, 888,213.90 and 292,572.20

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Solution

The fourth proportional to 591,753.80, 888,213.90 and 292,572.20 is: 439,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,753.80 : 888,213.90 = 292,572.20 : x
  2. Step 2: Convert to fraction form
    591,753.80/888,213.90 = 292,572.20/x
  3. Step 3: Cross multiply
    591,753.80x = 888,213.90 × 292,572.20
  4. Step 4: Simplify right side
    591,753.80x = 259,866,694,793.58
  5. Step 5: Solve for x
    x = 259,866,694,793.58/591,753.80
  6. Step 6: Final answer
    x = 439,146.64

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Double scale
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Similar ratio
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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.