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Finding the Fourth Proportional to 605,978,274.20, 836,249,640.44 and 327,519,797.73

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Solution

The fourth proportional to 605,978,274.20, 836,249,640.44 and 327,519,797.73 is: 451,977,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,978,274.20 : 836,249,640.44 = 327,519,797.73 : x
  2. Step 2: Convert to fraction form
    605,978,274.20/836,249,640.44 = 327,519,797.73/x
  3. Step 3: Cross multiply
    605,978,274.20x = 836,249,640.44 × 327,519,797.73
  4. Step 4: Simplify right side
    605,978,274.20x = 273,888,313,083,920,480
  5. Step 5: Solve for x
    x = 273,888,313,083,920,480/605,978,274.20
  6. Step 6: Final answer
    x = 451,977,116.59

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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.