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Finding the Fourth Proportional to 267.25, 398.12 and 250.44

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Solution

The fourth proportional to 267.25, 398.12 and 250.44 is: 373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.25 : 398.12 = 250.44 : x
  2. Step 2: Convert to fraction form
    267.25/398.12 = 250.44/x
  3. Step 3: Cross multiply
    267.25x = 398.12 × 250.44
  4. Step 4: Simplify right side
    267.25x = 99,704.67
  5. Step 5: Solve for x
    x = 99,704.67/267.25
  6. Step 6: Final answer
    x = 373.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.