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Finding the Fourth Proportional to 296.20, 443.34 and 167.56

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Solution

The fourth proportional to 296.20, 443.34 and 167.56 is: 250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.20 : 443.34 = 167.56 : x
  2. Step 2: Convert to fraction form
    296.20/443.34 = 167.56/x
  3. Step 3: Cross multiply
    296.20x = 443.34 × 167.56
  4. Step 4: Simplify right side
    296.20x = 74,286.05
  5. Step 5: Solve for x
    x = 74,286.05/296.20
  6. Step 6: Final answer
    x = 250.80

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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.