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Finding the Fourth Proportional to 398,593,469.80, 597,890,204.70 and 362,880,634.60

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Solution

The fourth proportional to 398,593,469.80, 597,890,204.70 and 362,880,634.60 is: 544,320,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,593,469.80 : 597,890,204.70 = 362,880,634.60 : x
  2. Step 2: Convert to fraction form
    398,593,469.80/597,890,204.70 = 362,880,634.60/x
  3. Step 3: Cross multiply
    398,593,469.80x = 597,890,204.70 × 362,880,634.60
  4. Step 4: Simplify right side
    398,593,469.80x = 216,962,776,902,659,936
  5. Step 5: Solve for x
    x = 216,962,776,902,659,936/398,593,469.80
  6. Step 6: Final answer
    x = 544,320,951.90

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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.