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Finding the Fourth Proportional to 297.33, 445.96 and 134.97

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Solution

The fourth proportional to 297.33, 445.96 and 134.97 is: 202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.33 : 445.96 = 134.97 : x
  2. Step 2: Convert to fraction form
    297.33/445.96 = 134.97/x
  3. Step 3: Cross multiply
    297.33x = 445.96 × 134.97
  4. Step 4: Simplify right side
    297.33x = 60,191.22
  5. Step 5: Solve for x
    x = 60,191.22/297.33
  6. Step 6: Final answer
    x = 202.44

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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.