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Finding the Fourth Proportional to 311.44, 467.22 and 167.32

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Solution

The fourth proportional to 311.44, 467.22 and 167.32 is: 251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.44 : 467.22 = 167.32 : x
  2. Step 2: Convert to fraction form
    311.44/467.22 = 167.32/x
  3. Step 3: Cross multiply
    311.44x = 467.22 × 167.32
  4. Step 4: Simplify right side
    311.44x = 78,175.25
  5. Step 5: Solve for x
    x = 78,175.25/311.44
  6. Step 6: Final answer
    x = 251.01

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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.