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Finding the Fourth Proportional to 297.81, 446.67 and 124.43

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Solution

The fourth proportional to 297.81, 446.67 and 124.43 is: 186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.81 : 446.67 = 124.43 : x
  2. Step 2: Convert to fraction form
    297.81/446.67 = 124.43/x
  3. Step 3: Cross multiply
    297.81x = 446.67 × 124.43
  4. Step 4: Simplify right side
    297.81x = 55,580.80
  5. Step 5: Solve for x
    x = 55,580.80/297.81
  6. Step 6: Final answer
    x = 186.63

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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.