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Finding the Fourth Proportional to 462.55, 694.94 and 267.68

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Solution

The fourth proportional to 462.55, 694.94 and 267.68 is: 402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.55 : 694.94 = 267.68 : x
  2. Step 2: Convert to fraction form
    462.55/694.94 = 267.68/x
  3. Step 3: Cross multiply
    462.55x = 694.94 × 267.68
  4. Step 4: Simplify right side
    462.55x = 186,021.54
  5. Step 5: Solve for x
    x = 186,021.54/462.55
  6. Step 6: Final answer
    x = 402.17

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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.