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Finding the Fourth Proportional to 632.64, 949.16 and 267.24

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Solution

The fourth proportional to 632.64, 949.16 and 267.24 is: 400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.64 : 949.16 = 267.24 : x
  2. Step 2: Convert to fraction form
    632.64/949.16 = 267.24/x
  3. Step 3: Cross multiply
    632.64x = 949.16 × 267.24
  4. Step 4: Simplify right side
    632.64x = 253,653.52
  5. Step 5: Solve for x
    x = 253,653.52/632.64
  6. Step 6: Final answer
    x = 400.94

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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.