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Finding the Fourth Proportional to 502,874.62, 693,966.98 and 276,520.12

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Solution

The fourth proportional to 502,874.62, 693,966.98 and 276,520.12 is: 381,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,874.62 : 693,966.98 = 276,520.12 : x
  2. Step 2: Convert to fraction form
    502,874.62/693,966.98 = 276,520.12/x
  3. Step 3: Cross multiply
    502,874.62x = 693,966.98 × 276,520.12
  4. Step 4: Simplify right side
    502,874.62x = 191,895,832,585.64
  5. Step 5: Solve for x
    x = 191,895,832,585.64/502,874.62
  6. Step 6: Final answer
    x = 381,597.77

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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.