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Finding the Fourth Proportional to 1,863,669.60, 2,795,504.40 and 798,819.30

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Solution

The fourth proportional to 1,863,669.60, 2,795,504.40 and 798,819.30 is: 1,198,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,669.60 : 2,795,504.40 = 798,819.30 : x
  2. Step 2: Convert to fraction form
    1,863,669.60/2,795,504.40 = 798,819.30/x
  3. Step 3: Cross multiply
    1,863,669.60x = 2,795,504.40 × 798,819.30
  4. Step 4: Simplify right side
    1,863,669.60x = 2,233,102,867,954.92
  5. Step 5: Solve for x
    x = 2,233,102,867,954.92/1,863,669.60
  6. Step 6: Final answer
    x = 1,198,228.95

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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.