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Finding the Fourth Proportional to 414.52, 572.00 and 239.83

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Solution

The fourth proportional to 414.52, 572.00 and 239.83 is: 330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.52 : 572.00 = 239.83 : x
  2. Step 2: Convert to fraction form
    414.52/572.00 = 239.83/x
  3. Step 3: Cross multiply
    414.52x = 572.00 × 239.83
  4. Step 4: Simplify right side
    414.52x = 137,180.13
  5. Step 5: Solve for x
    x = 137,180.13/414.52
  6. Step 6: Final answer
    x = 330.94

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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.