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Finding the Fourth Proportional to 272.92, 409.10 and 151.24

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Solution

The fourth proportional to 272.92, 409.10 and 151.24 is: 226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.92 : 409.10 = 151.24 : x
  2. Step 2: Convert to fraction form
    272.92/409.10 = 151.24/x
  3. Step 3: Cross multiply
    272.92x = 409.10 × 151.24
  4. Step 4: Simplify right side
    272.92x = 61,872.28
  5. Step 5: Solve for x
    x = 61,872.28/272.92
  6. Step 6: Final answer
    x = 226.70

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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.