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Finding the Fourth Proportional to 392,251.01, 588,376.51 and 274,153.01

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Solution

The fourth proportional to 392,251.01, 588,376.51 and 274,153.01 is: 411,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,251.01 : 588,376.51 = 274,153.01 : x
  2. Step 2: Convert to fraction form
    392,251.01/588,376.51 = 274,153.01/x
  3. Step 3: Cross multiply
    392,251.01x = 588,376.51 × 274,153.01
  4. Step 4: Simplify right side
    392,251.01x = 161,305,187,602.53
  5. Step 5: Solve for x
    x = 161,305,187,602.53/392,251.01
  6. Step 6: Final answer
    x = 411,229.51

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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.