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Finding the Fourth Proportional to 372,635.52, 514,070.88 and 251,737.92

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Solution

The fourth proportional to 372,635.52, 514,070.88 and 251,737.92 is: 347,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,635.52 : 514,070.88 = 251,737.92 : x
  2. Step 2: Convert to fraction form
    372,635.52/514,070.88 = 251,737.92/x
  3. Step 3: Cross multiply
    372,635.52x = 514,070.88 × 251,737.92
  4. Step 4: Simplify right side
    372,635.52x = 129,411,134,063.77
  5. Step 5: Solve for x
    x = 129,411,134,063.77/372,635.52
  6. Step 6: Final answer
    x = 347,286.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.