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Finding the Fourth Proportional to 264,451,990.80, 396,677,986.20 and 183,830,422.80

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Solution

The fourth proportional to 264,451,990.80, 396,677,986.20 and 183,830,422.80 is: 275,745,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,451,990.80 : 396,677,986.20 = 183,830,422.80 : x
  2. Step 2: Convert to fraction form
    264,451,990.80/396,677,986.20 = 183,830,422.80/x
  3. Step 3: Cross multiply
    264,451,990.80x = 396,677,986.20 × 183,830,422.80
  4. Step 4: Simplify right side
    264,451,990.80x = 72,921,481,918,598,560
  5. Step 5: Solve for x
    x = 72,921,481,918,598,560/264,451,990.80
  6. Step 6: Final answer
    x = 275,745,634.20

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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.