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Finding the Fourth Proportional to 2,795,216.80, 4,190,751.60 and 1,196,471.20

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Solution

The fourth proportional to 2,795,216.80, 4,190,751.60 and 1,196,471.20 is: 1,793,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795,216.80 : 4,190,751.60 = 1,196,471.20 : x
  2. Step 2: Convert to fraction form
    2,795,216.80/4,190,751.60 = 1,196,471.20/x
  3. Step 3: Cross multiply
    2,795,216.80x = 4,190,751.60 × 1,196,471.20
  4. Step 4: Simplify right side
    2,795,216.80x = 5,014,113,595,753.92
  5. Step 5: Solve for x
    x = 5,014,113,595,753.92/2,795,216.80
  6. Step 6: Final answer
    x = 1,793,819.21

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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.