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Finding the Fourth Proportional to 682,245,504, 941,498,797.02 and 368,979,717.96

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Solution

The fourth proportional to 682,245,504, 941,498,797.02 and 368,979,717.96 is: 509,192,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,245,504 : 941,498,797.02 = 368,979,717.96 : x
  2. Step 2: Convert to fraction form
    682,245,504/941,498,797.02 = 368,979,717.96/x
  3. Step 3: Cross multiply
    682,245,504x = 941,498,797.02 × 368,979,717.96
  4. Step 4: Simplify right side
    682,245,504x = 347,393,960,584,118,848
  5. Step 5: Solve for x
    x = 347,393,960,584,118,848/682,245,504
  6. Step 6: Final answer
    x = 509,192,011.60

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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.