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Finding the Fourth Proportional to 966.84, 1,450.14 and 273.56

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Solution

The fourth proportional to 966.84, 1,450.14 and 273.56 is: 410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.84 : 1,450.14 = 273.56 : x
  2. Step 2: Convert to fraction form
    966.84/1,450.14 = 273.56/x
  3. Step 3: Cross multiply
    966.84x = 1,450.14 × 273.56
  4. Step 4: Simplify right side
    966.84x = 396,700.30
  5. Step 5: Solve for x
    x = 396,700.30/966.84
  6. Step 6: Final answer
    x = 410.31

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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.