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Finding the Fourth Proportional to 632, 948.36 and 267.02

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Solution

The fourth proportional to 632, 948.36 and 267.02 is: 400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    632 : 948.36 = 267.02 : x
  2. Step 2: Convert to fraction form
    632/948.36 = 267.02/x
  3. Step 3: Cross multiply
    632x = 948.36 × 267.02
  4. Step 4: Simplify right side
    632x = 253,231.09
  5. Step 5: Solve for x
    x = 253,231.09/632
  6. Step 6: Final answer
    x = 400.68

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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.