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Finding the Fourth Proportional to 635,553.86, 876,850.88 and 359,874

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Solution

The fourth proportional to 635,553.86, 876,850.88 and 359,874 is: 496,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,553.86 : 876,850.88 = 359,874 : x
  2. Step 2: Convert to fraction form
    635,553.86/876,850.88 = 359,874/x
  3. Step 3: Cross multiply
    635,553.86x = 876,850.88 × 359,874
  4. Step 4: Simplify right side
    635,553.86x = 315,555,831,789.75
  5. Step 5: Solve for x
    x = 315,555,831,789.75/635,553.86
  6. Step 6: Final answer
    x = 496,505.26

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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.