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Finding the Fourth Proportional to 629,830.80, 944,753.40 and 156,517.20

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Solution

The fourth proportional to 629,830.80, 944,753.40 and 156,517.20 is: 234,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,830.80 : 944,753.40 = 156,517.20 : x
  2. Step 2: Convert to fraction form
    629,830.80/944,753.40 = 156,517.20/x
  3. Step 3: Cross multiply
    629,830.80x = 944,753.40 × 156,517.20
  4. Step 4: Simplify right side
    629,830.80x = 147,870,156,858.48
  5. Step 5: Solve for x
    x = 147,870,156,858.48/629,830.80
  6. Step 6: Final answer
    x = 234,777.59

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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.