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Finding the Fourth Proportional to 296.20, 444.12 and 218.44

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Solution

The fourth proportional to 296.20, 444.12 and 218.44 is: 327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.20 : 444.12 = 218.44 : x
  2. Step 2: Convert to fraction form
    296.20/444.12 = 218.44/x
  3. Step 3: Cross multiply
    296.20x = 444.12 × 218.44
  4. Step 4: Simplify right side
    296.20x = 97,013.57
  5. Step 5: Solve for x
    x = 97,013.57/296.20
  6. Step 6: Final answer
    x = 327.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.