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Finding the Fourth Proportional to 297.24, 445.34 and 181.41

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Solution

The fourth proportional to 297.24, 445.34 and 181.41 is: 271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.24 : 445.34 = 181.41 : x
  2. Step 2: Convert to fraction form
    297.24/445.34 = 181.41/x
  3. Step 3: Cross multiply
    297.24x = 445.34 × 181.41
  4. Step 4: Simplify right side
    297.24x = 80,791.25
  5. Step 5: Solve for x
    x = 80,791.25/297.24
  6. Step 6: Final answer
    x = 271.80

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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.