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Finding the Fourth Proportional to 372,340.87, 558,517.46 and 180,103.57

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Solution

The fourth proportional to 372,340.87, 558,517.46 and 180,103.57 is: 270,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,340.87 : 558,517.46 = 180,103.57 : x
  2. Step 2: Convert to fraction form
    372,340.87/558,517.46 = 180,103.57/x
  3. Step 3: Cross multiply
    372,340.87x = 558,517.46 × 180,103.57
  4. Step 4: Simplify right side
    372,340.87x = 100,590,987,169.60
  5. Step 5: Solve for x
    x = 100,590,987,169.60/372,340.87
  6. Step 6: Final answer
    x = 270,158.33

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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.