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Finding the Fourth Proportional to 262.35, 393.33 and 180.96

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Solution

The fourth proportional to 262.35, 393.33 and 180.96 is: 271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.35 : 393.33 = 180.96 : x
  2. Step 2: Convert to fraction form
    262.35/393.33 = 180.96/x
  3. Step 3: Cross multiply
    262.35x = 393.33 × 180.96
  4. Step 4: Simplify right side
    262.35x = 71,177.00
  5. Step 5: Solve for x
    x = 71,177.00/262.35
  6. Step 6: Final answer
    x = 271.31

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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.