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Finding the Fourth Proportional to 2,743,668.80, 4,108,504.80 and 2,183,796.80

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Solution

The fourth proportional to 2,743,668.80, 4,108,504.80 and 2,183,796.80 is: 3,270,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743,668.80 : 4,108,504.80 = 2,183,796.80 : x
  2. Step 2: Convert to fraction form
    2,743,668.80/4,108,504.80 = 2,183,796.80/x
  3. Step 3: Cross multiply
    2,743,668.80x = 4,108,504.80 × 2,183,796.80
  4. Step 4: Simplify right side
    2,743,668.80x = 8,972,139,635,024.64
  5. Step 5: Solve for x
    x = 8,972,139,635,024.64/2,743,668.80
  6. Step 6: Final answer
    x = 3,270,124.89

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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.