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Finding the Fourth Proportional to 351.11, 483.99 and 226.73

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Solution

The fourth proportional to 351.11, 483.99 and 226.73 is: 312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.11 : 483.99 = 226.73 : x
  2. Step 2: Convert to fraction form
    351.11/483.99 = 226.73/x
  3. Step 3: Cross multiply
    351.11x = 483.99 × 226.73
  4. Step 4: Simplify right side
    351.11x = 109,735.05
  5. Step 5: Solve for x
    x = 109,735.05/351.11
  6. Step 6: Final answer
    x = 312.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.