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Finding the Fourth Proportional to 267.18, 370.42 and 252.60

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Solution

The fourth proportional to 267.18, 370.42 and 252.60 is: 350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.18 : 370.42 = 252.60 : x
  2. Step 2: Convert to fraction form
    267.18/370.42 = 252.60/x
  3. Step 3: Cross multiply
    267.18x = 370.42 × 252.60
  4. Step 4: Simplify right side
    267.18x = 93,568.09
  5. Step 5: Solve for x
    x = 93,568.09/267.18
  6. Step 6: Final answer
    x = 350.21

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.