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Finding the Fourth Proportional to 376,446.30, 564,171.02 and 276,136.90

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Solution

The fourth proportional to 376,446.30, 564,171.02 and 276,136.90 is: 413,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,446.30 : 564,171.02 = 276,136.90 : x
  2. Step 2: Convert to fraction form
    376,446.30/564,171.02 = 276,136.90/x
  3. Step 3: Cross multiply
    376,446.30x = 564,171.02 × 276,136.90
  4. Step 4: Simplify right side
    376,446.30x = 155,788,436,532.64
  5. Step 5: Solve for x
    x = 155,788,436,532.64/376,446.30
  6. Step 6: Final answer
    x = 413,839.73

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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.