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Finding the Fourth Proportional to 267.71, 370.99 and 262.85

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Solution

The fourth proportional to 267.71, 370.99 and 262.85 is: 364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.71 : 370.99 = 262.85 : x
  2. Step 2: Convert to fraction form
    267.71/370.99 = 262.85/x
  3. Step 3: Cross multiply
    267.71x = 370.99 × 262.85
  4. Step 4: Simplify right side
    267.71x = 97,513.20
  5. Step 5: Solve for x
    x = 97,513.20/267.71
  6. Step 6: Final answer
    x = 364.26

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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.