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Finding the Fourth Proportional to 966.73, 1,446.50 and 576.94

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Solution

The fourth proportional to 966.73, 1,446.50 and 576.94 is: 863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.73 : 1,446.50 = 576.94 : x
  2. Step 2: Convert to fraction form
    966.73/1,446.50 = 576.94/x
  3. Step 3: Cross multiply
    966.73x = 1,446.50 × 576.94
  4. Step 4: Simplify right side
    966.73x = 834,543.71
  5. Step 5: Solve for x
    x = 834,543.71/966.73
  6. Step 6: Final answer
    x = 863.26

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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.