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Finding the Fourth Proportional to 426,349.71, 588,358.99 and 235,359

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Solution

The fourth proportional to 426,349.71, 588,358.99 and 235,359 is: 324,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,349.71 : 588,358.99 = 235,359 : x
  2. Step 2: Convert to fraction form
    426,349.71/588,358.99 = 235,359/x
  3. Step 3: Cross multiply
    426,349.71x = 588,358.99 × 235,359
  4. Step 4: Simplify right side
    426,349.71x = 138,475,583,821.61
  5. Step 5: Solve for x
    x = 138,475,583,821.61/426,349.71
  6. Step 6: Final answer
    x = 324,793.43

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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.