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Finding the Fourth Proportional to 367,091.20, 550,636.80 and 273,779.20

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Solution

The fourth proportional to 367,091.20, 550,636.80 and 273,779.20 is: 410,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,091.20 : 550,636.80 = 273,779.20 : x
  2. Step 2: Convert to fraction form
    367,091.20/550,636.80 = 273,779.20/x
  3. Step 3: Cross multiply
    367,091.20x = 550,636.80 × 273,779.20
  4. Step 4: Simplify right side
    367,091.20x = 150,752,902,594.56
  5. Step 5: Solve for x
    x = 150,752,902,594.56/367,091.20
  6. Step 6: Final answer
    x = 410,668.80

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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.