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Finding the Fourth Proportional to 297.83, 446.48 and 124.38

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Solution

The fourth proportional to 297.83, 446.48 and 124.38 is: 186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.83 : 446.48 = 124.38 : x
  2. Step 2: Convert to fraction form
    297.83/446.48 = 124.38/x
  3. Step 3: Cross multiply
    297.83x = 446.48 × 124.38
  4. Step 4: Simplify right side
    297.83x = 55,532.56
  5. Step 5: Solve for x
    x = 55,532.56/297.83
  6. Step 6: Final answer
    x = 186.46

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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.