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Finding the Fourth Proportional to 262.85, 362.75 and 236.12

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Solution

The fourth proportional to 262.85, 362.75 and 236.12 is: 325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.85 : 362.75 = 236.12 : x
  2. Step 2: Convert to fraction form
    262.85/362.75 = 236.12/x
  3. Step 3: Cross multiply
    262.85x = 362.75 × 236.12
  4. Step 4: Simplify right side
    262.85x = 85,649.54
  5. Step 5: Solve for x
    x = 85,649.54/262.85
  6. Step 6: Final answer
    x = 325.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.