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Finding the Fourth Proportional to 635,003.76, 876,321.81 and 363,115.92

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Solution

The fourth proportional to 635,003.76, 876,321.81 and 363,115.92 is: 501,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,003.76 : 876,321.81 = 363,115.92 : x
  2. Step 2: Convert to fraction form
    635,003.76/876,321.81 = 363,115.92/x
  3. Step 3: Cross multiply
    635,003.76x = 876,321.81 × 363,115.92
  4. Step 4: Simplify right side
    635,003.76x = 318,206,400,254.22
  5. Step 5: Solve for x
    x = 318,206,400,254.22/635,003.76
  6. Step 6: Final answer
    x = 501,109.47

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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.