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Finding the Fourth Proportional to 503,713.87, 755,626.17 and 251,057.95

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Solution

The fourth proportional to 503,713.87, 755,626.17 and 251,057.95 is: 376,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,713.87 : 755,626.17 = 251,057.95 : x
  2. Step 2: Convert to fraction form
    503,713.87/755,626.17 = 251,057.95/x
  3. Step 3: Cross multiply
    503,713.87x = 755,626.17 × 251,057.95
  4. Step 4: Simplify right side
    503,713.87x = 189,705,957,206.55
  5. Step 5: Solve for x
    x = 189,705,957,206.55/503,713.87
  6. Step 6: Final answer
    x = 376,614.52

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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.