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Finding the Fourth Proportional to 605,448,000.60, 908,172,000.90 and 299,337,984.60

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Solution

The fourth proportional to 605,448,000.60, 908,172,000.90 and 299,337,984.60 is: 449,006,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,448,000.60 : 908,172,000.90 = 299,337,984.60 : x
  2. Step 2: Convert to fraction form
    605,448,000.60/908,172,000.90 = 299,337,984.60/x
  3. Step 3: Cross multiply
    605,448,000.60x = 908,172,000.90 × 299,337,984.60
  4. Step 4: Simplify right side
    605,448,000.60x = 271,850,376,419,555,392
  5. Step 5: Solve for x
    x = 271,850,376,419,555,392/605,448,000.60
  6. Step 6: Final answer
    x = 449,006,976.90

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