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Finding the Fourth Proportional to 297.76, 446.49 and 124.37

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Solution

The fourth proportional to 297.76, 446.49 and 124.37 is: 186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.76 : 446.49 = 124.37 : x
  2. Step 2: Convert to fraction form
    297.76/446.49 = 124.37/x
  3. Step 3: Cross multiply
    297.76x = 446.49 × 124.37
  4. Step 4: Simplify right side
    297.76x = 55,531.08
  5. Step 5: Solve for x
    x = 55,531.08/297.76
  6. Step 6: Final answer
    x = 186.50

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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.