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Finding the Fourth Proportional to 883.53, 1,325.49 and 267.22

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Solution

The fourth proportional to 883.53, 1,325.49 and 267.22 is: 400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.53 : 1,325.49 = 267.22 : x
  2. Step 2: Convert to fraction form
    883.53/1,325.49 = 267.22/x
  3. Step 3: Cross multiply
    883.53x = 1,325.49 × 267.22
  4. Step 4: Simplify right side
    883.53x = 354,202.57
  5. Step 5: Solve for x
    x = 354,202.57/883.53
  6. Step 6: Final answer
    x = 400.89

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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.