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Finding the Fourth Proportional to 754.95, 1,132.23 and 267.93

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Solution

The fourth proportional to 754.95, 1,132.23 and 267.93 is: 401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.95 : 1,132.23 = 267.93 : x
  2. Step 2: Convert to fraction form
    754.95/1,132.23 = 267.93/x
  3. Step 3: Cross multiply
    754.95x = 1,132.23 × 267.93
  4. Step 4: Simplify right side
    754.95x = 303,358.38
  5. Step 5: Solve for x
    x = 303,358.38/754.95
  6. Step 6: Final answer
    x = 401.83

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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.