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Finding the Fourth Proportional to 392,330.52, 587,753 and 231,926.22

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Solution

The fourth proportional to 392,330.52, 587,753 and 231,926.22 is: 347,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,330.52 : 587,753 = 231,926.22 : x
  2. Step 2: Convert to fraction form
    392,330.52/587,753 = 231,926.22/x
  3. Step 3: Cross multiply
    392,330.52x = 587,753 × 231,926.22
  4. Step 4: Simplify right side
    392,330.52x = 136,315,331,583.66
  5. Step 5: Solve for x
    x = 136,315,331,583.66/392,330.52
  6. Step 6: Final answer
    x = 347,450.24

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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.