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Finding the Fourth Proportional to 323.29, 484.46 and 160.75

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Solution

The fourth proportional to 323.29, 484.46 and 160.75 is: 240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.29 : 484.46 = 160.75 : x
  2. Step 2: Convert to fraction form
    323.29/484.46 = 160.75/x
  3. Step 3: Cross multiply
    323.29x = 484.46 × 160.75
  4. Step 4: Simplify right side
    323.29x = 77,873.72
  5. Step 5: Solve for x
    x = 77,873.72/323.29
  6. Step 6: Final answer
    x = 240.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.