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Finding the Fourth Proportional to 297.55, 446.49 and 124.18

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Solution

The fourth proportional to 297.55, 446.49 and 124.18 is: 186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.55 : 446.49 = 124.18 : x
  2. Step 2: Convert to fraction form
    297.55/446.49 = 124.18/x
  3. Step 3: Cross multiply
    297.55x = 446.49 × 124.18
  4. Step 4: Simplify right side
    297.55x = 55,445.13
  5. Step 5: Solve for x
    x = 55,445.13/297.55
  6. Step 6: Final answer
    x = 186.34

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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.