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Finding the Fourth Proportional to 299,384,793.70, 449,077,190.55 and 169,942,387.30

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Solution

The fourth proportional to 299,384,793.70, 449,077,190.55 and 169,942,387.30 is: 254,913,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,384,793.70 : 449,077,190.55 = 169,942,387.30 : x
  2. Step 2: Convert to fraction form
    299,384,793.70/449,077,190.55 = 169,942,387.30/x
  3. Step 3: Cross multiply
    299,384,793.70x = 449,077,190.55 × 169,942,387.30
  4. Step 4: Simplify right side
    299,384,793.70x = 76,317,249,844,044,000
  5. Step 5: Solve for x
    x = 76,317,249,844,044,000/299,384,793.70
  6. Step 6: Final answer
    x = 254,913,580.95

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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.