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Finding the Fourth Proportional to 297.26, 445.88 and 114.66

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Solution

The fourth proportional to 297.26, 445.88 and 114.66 is: 171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.26 : 445.88 = 114.66 : x
  2. Step 2: Convert to fraction form
    297.26/445.88 = 114.66/x
  3. Step 3: Cross multiply
    297.26x = 445.88 × 114.66
  4. Step 4: Simplify right side
    297.26x = 51,124.03
  5. Step 5: Solve for x
    x = 51,124.03/297.26
  6. Step 6: Final answer
    x = 171.99

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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.