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Finding the Fourth Proportional to 674.73, 1,012.23 and 241.88

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Solution

The fourth proportional to 674.73, 1,012.23 and 241.88 is: 362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.73 : 1,012.23 = 241.88 : x
  2. Step 2: Convert to fraction form
    674.73/1,012.23 = 241.88/x
  3. Step 3: Cross multiply
    674.73x = 1,012.23 × 241.88
  4. Step 4: Simplify right side
    674.73x = 244,833.13
  5. Step 5: Solve for x
    x = 244,833.13/674.73
  6. Step 6: Final answer
    x = 362.86

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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.