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Finding the Fourth Proportional to 676.27, 1,014.69 and 237.83

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Solution

The fourth proportional to 676.27, 1,014.69 and 237.83 is: 356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.27 : 1,014.69 = 237.83 : x
  2. Step 2: Convert to fraction form
    676.27/1,014.69 = 237.83/x
  3. Step 3: Cross multiply
    676.27x = 1,014.69 × 237.83
  4. Step 4: Simplify right side
    676.27x = 241,323.72
  5. Step 5: Solve for x
    x = 241,323.72/676.27
  6. Step 6: Final answer
    x = 356.85

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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.