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Finding the Fourth Proportional to 502,337.84, 753,800.52 and 187,018.16

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Solution

The fourth proportional to 502,337.84, 753,800.52 and 187,018.16 is: 280,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,337.84 : 753,800.52 = 187,018.16 : x
  2. Step 2: Convert to fraction form
    502,337.84/753,800.52 = 187,018.16/x
  3. Step 3: Cross multiply
    502,337.84x = 753,800.52 × 187,018.16
  4. Step 4: Simplify right side
    502,337.84x = 140,974,386,257.44
  5. Step 5: Solve for x
    x = 140,974,386,257.44/502,337.84
  6. Step 6: Final answer
    x = 280,636.61

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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.