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Finding the Fourth Proportional to 422,339,356.52, 632,691,887.44 and 237,545,363.40

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Solution

The fourth proportional to 422,339,356.52, 632,691,887.44 and 237,545,363.40 is: 355,858,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,339,356.52 : 632,691,887.44 = 237,545,363.40 : x
  2. Step 2: Convert to fraction form
    422,339,356.52/632,691,887.44 = 237,545,363.40/x
  3. Step 3: Cross multiply
    422,339,356.52x = 632,691,887.44 × 237,545,363.40
  4. Step 4: Simplify right side
    422,339,356.52x = 150,293,024,322,166,720
  5. Step 5: Solve for x
    x = 150,293,024,322,166,720/422,339,356.52
  6. Step 6: Final answer
    x = 355,858,439.43

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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.