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Finding the Fourth Proportional to 297,873,205.60, 446,809,808.40 and 206,040,200.80

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Solution

The fourth proportional to 297,873,205.60, 446,809,808.40 and 206,040,200.80 is: 309,060,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,873,205.60 : 446,809,808.40 = 206,040,200.80 : x
  2. Step 2: Convert to fraction form
    297,873,205.60/446,809,808.40 = 206,040,200.80/x
  3. Step 3: Cross multiply
    297,873,205.60x = 446,809,808.40 × 206,040,200.80
  4. Step 4: Simplify right side
    297,873,205.60x = 92,060,782,642,145,520
  5. Step 5: Solve for x
    x = 92,060,782,642,145,520/297,873,205.60
  6. Step 6: Final answer
    x = 309,060,301.20

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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.