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Finding the Fourth Proportional to 244,647.20, 366,970.80 and 220,152.80

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Solution

The fourth proportional to 244,647.20, 366,970.80 and 220,152.80 is: 330,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,647.20 : 366,970.80 = 220,152.80 : x
  2. Step 2: Convert to fraction form
    244,647.20/366,970.80 = 220,152.80/x
  3. Step 3: Cross multiply
    244,647.20x = 366,970.80 × 220,152.80
  4. Step 4: Simplify right side
    244,647.20x = 80,789,649,138.24
  5. Step 5: Solve for x
    x = 80,789,649,138.24/244,647.20
  6. Step 6: Final answer
    x = 330,229.20

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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.