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Finding the Fourth Proportional to 632.21, 948.24 and 267.17

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Solution

The fourth proportional to 632.21, 948.24 and 267.17 is: 400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.21 : 948.24 = 267.17 : x
  2. Step 2: Convert to fraction form
    632.21/948.24 = 267.17/x
  3. Step 3: Cross multiply
    632.21x = 948.24 × 267.17
  4. Step 4: Simplify right side
    632.21x = 253,336.54
  5. Step 5: Solve for x
    x = 253,336.54/632.21
  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.