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Finding the Fourth Proportional to 426,337.98, 588,346.52 and 235,351.50

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Solution

The fourth proportional to 426,337.98, 588,346.52 and 235,351.50 is: 324,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,337.98 : 588,346.52 = 235,351.50 : x
  2. Step 2: Convert to fraction form
    426,337.98/588,346.52 = 235,351.50/x
  3. Step 3: Cross multiply
    426,337.98x = 588,346.52 × 235,351.50
  4. Step 4: Simplify right side
    426,337.98x = 138,468,236,001.78
  5. Step 5: Solve for x
    x = 138,468,236,001.78/426,337.98
  6. Step 6: Final answer
    x = 324,785.13

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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.