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Finding the Fourth Proportional to 632.52, 948.20 and 267.11

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Solution

The fourth proportional to 632.52, 948.20 and 267.11 is: 400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.52 : 948.20 = 267.11 : x
  2. Step 2: Convert to fraction form
    632.52/948.20 = 267.11/x
  3. Step 3: Cross multiply
    632.52x = 948.20 × 267.11
  4. Step 4: Simplify right side
    632.52x = 253,269.27
  5. Step 5: Solve for x
    x = 253,269.27/632.52
  6. Step 6: Final answer
    x = 400.41

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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.