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Finding the Fourth Proportional to 392,372.73, 541,492.17 and 231,234.57

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Solution

The fourth proportional to 392,372.73, 541,492.17 and 231,234.57 is: 319,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,372.73 : 541,492.17 = 231,234.57 : x
  2. Step 2: Convert to fraction form
    392,372.73/541,492.17 = 231,234.57/x
  3. Step 3: Cross multiply
    392,372.73x = 541,492.17 × 231,234.57
  4. Step 4: Simplify right side
    392,372.73x = 125,211,709,088.32
  5. Step 5: Solve for x
    x = 125,211,709,088.32/392,372.73
  6. Step 6: Final answer
    x = 319,114.20

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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.