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Finding the Fourth Proportional to 951.08, 1,426.58 and 267.08

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Solution

The fourth proportional to 951.08, 1,426.58 and 267.08 is: 400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.08 : 1,426.58 = 267.08 : x
  2. Step 2: Convert to fraction form
    951.08/1,426.58 = 267.08/x
  3. Step 3: Cross multiply
    951.08x = 1,426.58 × 267.08
  4. Step 4: Simplify right side
    951.08x = 381,010.99
  5. Step 5: Solve for x
    x = 381,010.99/951.08
  6. Step 6: Final answer
    x = 400.61

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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.