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Finding the Fourth Proportional to 392,759.11, 590,025.54 and 232,939.90

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Solution

The fourth proportional to 392,759.11, 590,025.54 and 232,939.90 is: 349,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,759.11 : 590,025.54 = 232,939.90 : x
  2. Step 2: Convert to fraction form
    392,759.11/590,025.54 = 232,939.90/x
  3. Step 3: Cross multiply
    392,759.11x = 590,025.54 × 232,939.90
  4. Step 4: Simplify right side
    392,759.11x = 137,440,487,672.98
  5. Step 5: Solve for x
    x = 137,440,487,672.98/392,759.11
  6. Step 6: Final answer
    x = 349,935.83

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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.