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Finding the Fourth Proportional to 6,798,999.60, 10,198,499.40 and 2,006,845.20

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Solution

The fourth proportional to 6,798,999.60, 10,198,499.40 and 2,006,845.20 is: 3,010,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798,999.60 : 10,198,499.40 = 2,006,845.20 : x
  2. Step 2: Convert to fraction form
    6,798,999.60/10,198,499.40 = 2,006,845.20/x
  3. Step 3: Cross multiply
    6,798,999.60x = 10,198,499.40 × 2,006,845.20
  4. Step 4: Simplify right side
    6,798,999.60x = 20,466,809,568,092.88
  5. Step 5: Solve for x
    x = 20,466,809,568,092.88/6,798,999.60
  6. Step 6: Final answer
    x = 3,010,267.80

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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.