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Finding the Fourth Proportional to 366,866.20, 550,299.30 and 252,704.80

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Solution

The fourth proportional to 366,866.20, 550,299.30 and 252,704.80 is: 379,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,866.20 : 550,299.30 = 252,704.80 : x
  2. Step 2: Convert to fraction form
    366,866.20/550,299.30 = 252,704.80/x
  3. Step 3: Cross multiply
    366,866.20x = 550,299.30 × 252,704.80
  4. Step 4: Simplify right side
    366,866.20x = 139,063,274,546.64
  5. Step 5: Solve for x
    x = 139,063,274,546.64/366,866.20
  6. Step 6: Final answer
    x = 379,057.20

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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.