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Finding the Fourth Proportional to 2,302.75, 3,453.11 and 658.92

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Solution

The fourth proportional to 2,302.75, 3,453.11 and 658.92 is: 988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.75 : 3,453.11 = 658.92 : x
  2. Step 2: Convert to fraction form
    2,302.75/3,453.11 = 658.92/x
  3. Step 3: Cross multiply
    2,302.75x = 3,453.11 × 658.92
  4. Step 4: Simplify right side
    2,302.75x = 2,275,335.37
  5. Step 5: Solve for x
    x = 2,275,335.37/2,302.75
  6. Step 6: Final answer
    x = 988.09

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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.