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Finding the Fourth Proportional to 548,693,891.73, 757,198,320.39 and 297,798,287.40

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Solution

The fourth proportional to 548,693,891.73, 757,198,320.39 and 297,798,287.40 is: 410,962,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,693,891.73 : 757,198,320.39 = 297,798,287.40 : x
  2. Step 2: Convert to fraction form
    548,693,891.73/757,198,320.39 = 297,798,287.40/x
  3. Step 3: Cross multiply
    548,693,891.73x = 757,198,320.39 × 297,798,287.40
  4. Step 4: Simplify right side
    548,693,891.73x = 225,492,363,034,298,464
  5. Step 5: Solve for x
    x = 225,492,363,034,298,464/548,693,891.73
  6. Step 6: Final answer
    x = 410,962,043.56

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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.