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Finding the Fourth Proportional to 297.68, 446.66 and 160.76

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Solution

The fourth proportional to 297.68, 446.66 and 160.76 is: 241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.68 : 446.66 = 160.76 : x
  2. Step 2: Convert to fraction form
    297.68/446.66 = 160.76/x
  3. Step 3: Cross multiply
    297.68x = 446.66 × 160.76
  4. Step 4: Simplify right side
    297.68x = 71,805.63
  5. Step 5: Solve for x
    x = 71,805.63/297.68
  6. Step 6: Final answer
    x = 241.22

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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.