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Finding the Fourth Proportional to 883.96, 1,325.50 and 267.54

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Solution

The fourth proportional to 883.96, 1,325.50 and 267.54 is: 401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.96 : 1,325.50 = 267.54 : x
  2. Step 2: Convert to fraction form
    883.96/1,325.50 = 267.54/x
  3. Step 3: Cross multiply
    883.96x = 1,325.50 × 267.54
  4. Step 4: Simplify right side
    883.96x = 354,624.27
  5. Step 5: Solve for x
    x = 354,624.27/883.96
  6. Step 6: Final answer
    x = 401.18

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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.