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Finding the Fourth Proportional to 260.52, 359.42 and 181.82

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Solution

The fourth proportional to 260.52, 359.42 and 181.82 is: 250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.52 : 359.42 = 181.82 : x
  2. Step 2: Convert to fraction form
    260.52/359.42 = 181.82/x
  3. Step 3: Cross multiply
    260.52x = 359.42 × 181.82
  4. Step 4: Simplify right side
    260.52x = 65,347.04
  5. Step 5: Solve for x
    x = 65,347.04/260.52
  6. Step 6: Final answer
    x = 250.83

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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.