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Finding the Fourth Proportional to 462.66, 694.08 and 267.18

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Solution

The fourth proportional to 462.66, 694.08 and 267.18 is: 400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.66 : 694.08 = 267.18 : x
  2. Step 2: Convert to fraction form
    462.66/694.08 = 267.18/x
  3. Step 3: Cross multiply
    462.66x = 694.08 × 267.18
  4. Step 4: Simplify right side
    462.66x = 185,444.29
  5. Step 5: Solve for x
    x = 185,444.29/462.66
  6. Step 6: Final answer
    x = 400.82

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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.