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Finding the Fourth Proportional to 635,483,448.52, 876,944,791.69 and 349,372,891.62

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Solution

The fourth proportional to 635,483,448.52, 876,944,791.69 and 349,372,891.62 is: 482,122,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,483,448.52 : 876,944,791.69 = 349,372,891.62 : x
  2. Step 2: Convert to fraction form
    635,483,448.52/876,944,791.69 = 349,372,891.62/x
  3. Step 3: Cross multiply
    635,483,448.52x = 876,944,791.69 × 349,372,891.62
  4. Step 4: Simplify right side
    635,483,448.52x = 306,380,737,663,833,856
  5. Step 5: Solve for x
    x = 306,380,737,663,833,856/635,483,448.52
  6. Step 6: Final answer
    x = 482,122,293.47

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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.