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Finding the Fourth Proportional to 297.38, 446.07 and 134.95

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Solution

The fourth proportional to 297.38, 446.07 and 134.95 is: 202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.38 : 446.07 = 134.95 : x
  2. Step 2: Convert to fraction form
    297.38/446.07 = 134.95/x
  3. Step 3: Cross multiply
    297.38x = 446.07 × 134.95
  4. Step 4: Simplify right side
    297.38x = 60,197.15
  5. Step 5: Solve for x
    x = 60,197.15/297.38
  6. Step 6: Final answer
    x = 202.43

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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.