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Finding the Fourth Proportional to 629,093.80, 944,562.30 and 442,930.60

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Solution

The fourth proportional to 629,093.80, 944,562.30 and 442,930.60 is: 665,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,093.80 : 944,562.30 = 442,930.60 : x
  2. Step 2: Convert to fraction form
    629,093.80/944,562.30 = 442,930.60/x
  3. Step 3: Cross multiply
    629,093.80x = 944,562.30 × 442,930.60
  4. Step 4: Simplify right side
    629,093.80x = 418,375,546,276.38
  5. Step 5: Solve for x
    x = 418,375,546,276.38/629,093.80
  6. Step 6: Final answer
    x = 665,044.78

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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.