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Finding the Fourth Proportional to 462.68, 693.42 and 267.38

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Solution

The fourth proportional to 462.68, 693.42 and 267.38 is: 400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.68 : 693.42 = 267.38 : x
  2. Step 2: Convert to fraction form
    462.68/693.42 = 267.38/x
  3. Step 3: Cross multiply
    462.68x = 693.42 × 267.38
  4. Step 4: Simplify right side
    462.68x = 185,406.64
  5. Step 5: Solve for x
    x = 185,406.64/462.68
  6. Step 6: Final answer
    x = 400.72

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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.