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Finding the Fourth Proportional to 426,351.66, 588,367.17 and 235,366.62

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Solution

The fourth proportional to 426,351.66, 588,367.17 and 235,366.62 is: 324,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,351.66 : 588,367.17 = 235,366.62 : x
  2. Step 2: Convert to fraction form
    426,351.66/588,367.17 = 235,366.62/x
  3. Step 3: Cross multiply
    426,351.66x = 588,367.17 × 235,366.62
  4. Step 4: Simplify right side
    426,351.66x = 138,481,992,121.87
  5. Step 5: Solve for x
    x = 138,481,992,121.87/426,351.66
  6. Step 6: Final answer
    x = 324,806.97

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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.