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Finding the Fourth Proportional to 635,773.96, 953,067.90 and 214,755.40

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Solution

The fourth proportional to 635,773.96, 953,067.90 and 214,755.40 is: 321,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,773.96 : 953,067.90 = 214,755.40 : x
  2. Step 2: Convert to fraction form
    635,773.96/953,067.90 = 214,755.40/x
  3. Step 3: Cross multiply
    635,773.96x = 953,067.90 × 214,755.40
  4. Step 4: Simplify right side
    635,773.96x = 204,676,478,091.66
  5. Step 5: Solve for x
    x = 204,676,478,091.66/635,773.96
  6. Step 6: Final answer
    x = 321,932.78

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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.