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Finding the Fourth Proportional to 1,855,932.44, 2,783,564.88 and 844,819.16

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Solution

The fourth proportional to 1,855,932.44, 2,783,564.88 and 844,819.16 is: 1,267,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,932.44 : 2,783,564.88 = 844,819.16 : x
  2. Step 2: Convert to fraction form
    1,855,932.44/2,783,564.88 = 844,819.16/x
  3. Step 3: Cross multiply
    1,855,932.44x = 2,783,564.88 × 844,819.16
  4. Step 4: Simplify right side
    1,855,932.44x = 2,351,608,943,727.10
  5. Step 5: Solve for x
    x = 2,351,608,943,727.10/1,855,932.44
  6. Step 6: Final answer
    x = 1,267,076.80

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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.