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Finding the Fourth Proportional to 297.26, 445.92 and 114.60

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Solution

The fourth proportional to 297.26, 445.92 and 114.60 is: 171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.26 : 445.92 = 114.60 : x
  2. Step 2: Convert to fraction form
    297.26/445.92 = 114.60/x
  3. Step 3: Cross multiply
    297.26x = 445.92 × 114.60
  4. Step 4: Simplify right side
    297.26x = 51,101.86
  5. Step 5: Solve for x
    x = 51,101.86/297.26
  6. Step 6: Final answer
    x = 171.91

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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.