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Finding the Fourth Proportional to 360.07, 540.03 and 116.57

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Solution

The fourth proportional to 360.07, 540.03 and 116.57 is: 174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.07 : 540.03 = 116.57 : x
  2. Step 2: Convert to fraction form
    360.07/540.03 = 116.57/x
  3. Step 3: Cross multiply
    360.07x = 540.03 × 116.57
  4. Step 4: Simplify right side
    360.07x = 62,951.30
  5. Step 5: Solve for x
    x = 62,951.30/360.07
  6. Step 6: Final answer
    x = 174.83

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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.