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Finding the Fourth Proportional to 844.08, 1,266.24 and 267.04

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Solution

The fourth proportional to 844.08, 1,266.24 and 267.04 is: 400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.08 : 1,266.24 = 267.04 : x
  2. Step 2: Convert to fraction form
    844.08/1,266.24 = 267.04/x
  3. Step 3: Cross multiply
    844.08x = 1,266.24 × 267.04
  4. Step 4: Simplify right side
    844.08x = 338,136.73
  5. Step 5: Solve for x
    x = 338,136.73/844.08
  6. Step 6: Final answer
    x = 400.60

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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.