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Finding the Fourth Proportional to 2,747,842.60, 4,119,843.90 and 1,625,333.80

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Solution

The fourth proportional to 2,747,842.60, 4,119,843.90 and 1,625,333.80 is: 2,436,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747,842.60 : 4,119,843.90 = 1,625,333.80 : x
  2. Step 2: Convert to fraction form
    2,747,842.60/4,119,843.90 = 1,625,333.80/x
  3. Step 3: Cross multiply
    2,747,842.60x = 4,119,843.90 × 1,625,333.80
  4. Step 4: Simplify right side
    2,747,842.60x = 6,696,121,541,393.82
  5. Step 5: Solve for x
    x = 6,696,121,541,393.82/2,747,842.60
  6. Step 6: Final answer
    x = 2,436,865.03

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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.