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Finding the Fourth Proportional to 262.75, 362.60 and 146.31

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Solution

The fourth proportional to 262.75, 362.60 and 146.31 is: 201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.75 : 362.60 = 146.31 : x
  2. Step 2: Convert to fraction form
    262.75/362.60 = 146.31/x
  3. Step 3: Cross multiply
    262.75x = 362.60 × 146.31
  4. Step 4: Simplify right side
    262.75x = 53,052.01
  5. Step 5: Solve for x
    x = 53,052.01/262.75
  6. Step 6: Final answer
    x = 201.91

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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.