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Finding the Fourth Proportional to 383,722.20, 575,583.30 and 244,099.80

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Solution

The fourth proportional to 383,722.20, 575,583.30 and 244,099.80 is: 366,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,722.20 : 575,583.30 = 244,099.80 : x
  2. Step 2: Convert to fraction form
    383,722.20/575,583.30 = 244,099.80/x
  3. Step 3: Cross multiply
    383,722.20x = 575,583.30 × 244,099.80
  4. Step 4: Simplify right side
    383,722.20x = 140,499,768,413.34
  5. Step 5: Solve for x
    x = 140,499,768,413.34/383,722.20
  6. Step 6: Final answer
    x = 366,149.70

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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.