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Finding the Fourth Proportional to 363,785,266.80, 545,757,616.35 and 179,640,960.30

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Solution

The fourth proportional to 363,785,266.80, 545,757,616.35 and 179,640,960.30 is: 269,500,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,785,266.80 : 545,757,616.35 = 179,640,960.30 : x
  2. Step 2: Convert to fraction form
    363,785,266.80/545,757,616.35 = 179,640,960.30/x
  3. Step 3: Cross multiply
    363,785,266.80x = 545,757,616.35 × 179,640,960.30
  4. Step 4: Simplify right side
    363,785,266.80x = 98,040,422,292,152,992
  5. Step 5: Solve for x
    x = 98,040,422,292,152,992/363,785,266.80
  6. Step 6: Final answer
    x = 269,500,805.12

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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.