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Finding the Fourth Proportional to 297.46, 446.19 and 160.57

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Solution

The fourth proportional to 297.46, 446.19 and 160.57 is: 240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.46 : 446.19 = 160.57 : x
  2. Step 2: Convert to fraction form
    297.46/446.19 = 160.57/x
  3. Step 3: Cross multiply
    297.46x = 446.19 × 160.57
  4. Step 4: Simplify right side
    297.46x = 71,644.73
  5. Step 5: Solve for x
    x = 71,644.73/297.46
  6. Step 6: Final answer
    x = 240.86

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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.