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Finding the Fourth Proportional to 297.44, 445.96 and 181.92

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Solution

The fourth proportional to 297.44, 445.96 and 181.92 is: 272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.44 : 445.96 = 181.92 : x
  2. Step 2: Convert to fraction form
    297.44/445.96 = 181.92/x
  3. Step 3: Cross multiply
    297.44x = 445.96 × 181.92
  4. Step 4: Simplify right side
    297.44x = 81,129.04
  5. Step 5: Solve for x
    x = 81,129.04/297.44
  6. Step 6: Final answer
    x = 272.76

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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.