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Finding the Fourth Proportional to 414.48, 572 and 237.44

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Solution

The fourth proportional to 414.48, 572 and 237.44 is: 327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.48 : 572 = 237.44 : x
  2. Step 2: Convert to fraction form
    414.48/572 = 237.44/x
  3. Step 3: Cross multiply
    414.48x = 572 × 237.44
  4. Step 4: Simplify right side
    414.48x = 135,815.68
  5. Step 5: Solve for x
    x = 135,815.68/414.48
  6. Step 6: Final answer
    x = 327.68

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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.