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Finding the Fourth Proportional to 360.56, 496.92 and 265.88

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Solution

The fourth proportional to 360.56, 496.92 and 265.88 is: 366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.56 : 496.92 = 265.88 : x
  2. Step 2: Convert to fraction form
    360.56/496.92 = 265.88/x
  3. Step 3: Cross multiply
    360.56x = 496.92 × 265.88
  4. Step 4: Simplify right side
    360.56x = 132,121.09
  5. Step 5: Solve for x
    x = 132,121.09/360.56
  6. Step 6: Final answer
    x = 366.43

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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.