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Finding the Fourth Proportional to 392,156.52, 588,234.75 and 274,058.52

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Solution

The fourth proportional to 392,156.52, 588,234.75 and 274,058.52 is: 411,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,156.52 : 588,234.75 = 274,058.52 : x
  2. Step 2: Convert to fraction form
    392,156.52/588,234.75 = 274,058.52/x
  3. Step 3: Cross multiply
    392,156.52x = 588,234.75 × 274,058.52
  4. Step 4: Simplify right side
    392,156.52x = 161,210,744,997.57
  5. Step 5: Solve for x
    x = 161,210,744,997.57/392,156.52
  6. Step 6: Final answer
    x = 411,087.76

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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.