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Finding the Fourth Proportional to 961.82, 1,443.42 and 596.87

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Solution

The fourth proportional to 961.82, 1,443.42 and 596.87 is: 895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.82 : 1,443.42 = 596.87 : x
  2. Step 2: Convert to fraction form
    961.82/1,443.42 = 596.87/x
  3. Step 3: Cross multiply
    961.82x = 1,443.42 × 596.87
  4. Step 4: Simplify right side
    961.82x = 861,532.29
  5. Step 5: Solve for x
    x = 861,532.29/961.82
  6. Step 6: Final answer
    x = 895.73

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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.