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Finding the Fourth Proportional to 297.53, 446.27 and 124.15

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Solution

The fourth proportional to 297.53, 446.27 and 124.15 is: 186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.53 : 446.27 = 124.15 : x
  2. Step 2: Convert to fraction form
    297.53/446.27 = 124.15/x
  3. Step 3: Cross multiply
    297.53x = 446.27 × 124.15
  4. Step 4: Simplify right side
    297.53x = 55,404.42
  5. Step 5: Solve for x
    x = 55,404.42/297.53
  6. Step 6: Final answer
    x = 186.21

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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.