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Finding the Fourth Proportional to 297.66, 446.36 and 160.68

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Solution

The fourth proportional to 297.66, 446.36 and 160.68 is: 240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.66 : 446.36 = 160.68 : x
  2. Step 2: Convert to fraction form
    297.66/446.36 = 160.68/x
  3. Step 3: Cross multiply
    297.66x = 446.36 × 160.68
  4. Step 4: Simplify right side
    297.66x = 71,721.12
  5. Step 5: Solve for x
    x = 71,721.12/297.66
  6. Step 6: Final answer
    x = 240.95

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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.