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Finding the Fourth Proportional to 961.23, 1,442.76 and 596.73

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Solution

The fourth proportional to 961.23, 1,442.76 and 596.73 is: 895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.23 : 1,442.76 = 596.73 : x
  2. Step 2: Convert to fraction form
    961.23/1,442.76 = 596.73/x
  3. Step 3: Cross multiply
    961.23x = 1,442.76 × 596.73
  4. Step 4: Simplify right side
    961.23x = 860,938.17
  5. Step 5: Solve for x
    x = 860,938.17/961.23
  6. Step 6: Final answer
    x = 895.66

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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.