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Finding the Fourth Proportional to 2,659,824.08, 3,995,641.60 and 1,649,692.88

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Solution

The fourth proportional to 2,659,824.08, 3,995,641.60 and 1,649,692.88 is: 2,478,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,824.08 : 3,995,641.60 = 1,649,692.88 : x
  2. Step 2: Convert to fraction form
    2,659,824.08/3,995,641.60 = 1,649,692.88/x
  3. Step 3: Cross multiply
    2,659,824.08x = 3,995,641.60 × 1,649,692.88
  4. Step 4: Simplify right side
    2,659,824.08x = 6,591,581,498,551.81
  5. Step 5: Solve for x
    x = 6,591,581,498,551.81/2,659,824.08
  6. Step 6: Final answer
    x = 2,478,202.05

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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.