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Finding the Fourth Proportional to 2,899,352.80, 3,998,259.12 and 2,670,496.48

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Solution

The fourth proportional to 2,899,352.80, 3,998,259.12 and 2,670,496.48 is: 3,682,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,352.80 : 3,998,259.12 = 2,670,496.48 : x
  2. Step 2: Convert to fraction form
    2,899,352.80/3,998,259.12 = 2,670,496.48/x
  3. Step 3: Cross multiply
    2,899,352.80x = 3,998,259.12 × 2,670,496.48
  4. Step 4: Simplify right side
    2,899,352.80x = 10,677,336,906,087.90
  5. Step 5: Solve for x
    x = 10,677,336,906,087.90/2,899,352.80
  6. Step 6: Final answer
    x = 3,682,662.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.