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Finding the Fourth Proportional to 625,519.92, 938,280 and 251,455.44

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Solution

The fourth proportional to 625,519.92, 938,280 and 251,455.44 is: 377,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,519.92 : 938,280 = 251,455.44 : x
  2. Step 2: Convert to fraction form
    625,519.92/938,280 = 251,455.44/x
  3. Step 3: Cross multiply
    625,519.92x = 938,280 × 251,455.44
  4. Step 4: Simplify right side
    625,519.92x = 235,935,610,243.20
  5. Step 5: Solve for x
    x = 235,935,610,243.20/625,519.92
  6. Step 6: Final answer
    x = 377,183.21

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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.