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Finding the Fourth Proportional to 462.65, 693.98 and 267.95

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Solution

The fourth proportional to 462.65, 693.98 and 267.95 is: 401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.65 : 693.98 = 267.95 : x
  2. Step 2: Convert to fraction form
    462.65/693.98 = 267.95/x
  3. Step 3: Cross multiply
    462.65x = 693.98 × 267.95
  4. Step 4: Simplify right side
    462.65x = 185,951.94
  5. Step 5: Solve for x
    x = 185,951.94/462.65
  6. Step 6: Final answer
    x = 401.93

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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.