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Finding the Fourth Proportional to 414.66, 572.17 and 237.59

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Solution

The fourth proportional to 414.66, 572.17 and 237.59 is: 327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.66 : 572.17 = 237.59 : x
  2. Step 2: Convert to fraction form
    414.66/572.17 = 237.59/x
  3. Step 3: Cross multiply
    414.66x = 572.17 × 237.59
  4. Step 4: Simplify right side
    414.66x = 135,941.58
  5. Step 5: Solve for x
    x = 135,941.58/414.66
  6. Step 6: Final answer
    x = 327.84

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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.