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Finding the Fourth Proportional to 307.92, 462.48 and 226.44

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Solution

The fourth proportional to 307.92, 462.48 and 226.44 is: 340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.92 : 462.48 = 226.44 : x
  2. Step 2: Convert to fraction form
    307.92/462.48 = 226.44/x
  3. Step 3: Cross multiply
    307.92x = 462.48 × 226.44
  4. Step 4: Simplify right side
    307.92x = 104,723.97
  5. Step 5: Solve for x
    x = 104,723.97/307.92
  6. Step 6: Final answer
    x = 340.10

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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.