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Finding the Fourth Proportional to 632.54, 948.11 and 267.58

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Solution

The fourth proportional to 632.54, 948.11 and 267.58 is: 401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.54 : 948.11 = 267.58 : x
  2. Step 2: Convert to fraction form
    632.54/948.11 = 267.58/x
  3. Step 3: Cross multiply
    632.54x = 948.11 × 267.58
  4. Step 4: Simplify right side
    632.54x = 253,695.27
  5. Step 5: Solve for x
    x = 253,695.27/632.54
  6. Step 6: Final answer
    x = 401.07

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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.