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Finding the Fourth Proportional to 629,818.60, 944,727.90 and 574,706.20

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Solution

The fourth proportional to 629,818.60, 944,727.90 and 574,706.20 is: 862,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,818.60 : 944,727.90 = 574,706.20 : x
  2. Step 2: Convert to fraction form
    629,818.60/944,727.90 = 574,706.20/x
  3. Step 3: Cross multiply
    629,818.60x = 944,727.90 × 574,706.20
  4. Step 4: Simplify right side
    629,818.60x = 542,940,981,442.98
  5. Step 5: Solve for x
    x = 542,940,981,442.98/629,818.60
  6. Step 6: Final answer
    x = 862,059.30

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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.