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Finding the Fourth Proportional to 966.92, 1,450.28 and 273.60

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Solution

The fourth proportional to 966.92, 1,450.28 and 273.60 is: 410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.92 : 1,450.28 = 273.60 : x
  2. Step 2: Convert to fraction form
    966.92/1,450.28 = 273.60/x
  3. Step 3: Cross multiply
    966.92x = 1,450.28 × 273.60
  4. Step 4: Simplify right side
    966.92x = 396,797.29
  5. Step 5: Solve for x
    x = 396,797.29/966.92
  6. Step 6: Final answer
    x = 410.37

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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.