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Finding the Fourth Proportional to 423,358.29, 584,226.09 and 239,593.46

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Solution

The fourth proportional to 423,358.29, 584,226.09 and 239,593.46 is: 330,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,358.29 : 584,226.09 = 239,593.46 : x
  2. Step 2: Convert to fraction form
    423,358.29/584,226.09 = 239,593.46/x
  3. Step 3: Cross multiply
    423,358.29x = 584,226.09 × 239,593.46
  4. Step 4: Simplify right side
    423,358.29x = 139,976,747,404.24
  5. Step 5: Solve for x
    x = 139,976,747,404.24/423,358.29
  6. Step 6: Final answer
    x = 330,634.24

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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.