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Finding the Fourth Proportional to 362.56, 544 and 170.32

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Solution

The fourth proportional to 362.56, 544 and 170.32 is: 255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.56 : 544 = 170.32 : x
  2. Step 2: Convert to fraction form
    362.56/544 = 170.32/x
  3. Step 3: Cross multiply
    362.56x = 544 × 170.32
  4. Step 4: Simplify right side
    362.56x = 92,654.08
  5. Step 5: Solve for x
    x = 92,654.08/362.56
  6. Step 6: Final answer
    x = 255.56

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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.