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Finding the Fourth Proportional to 635,267.60, 876,419.29 and 363,189.34

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Solution

The fourth proportional to 635,267.60, 876,419.29 and 363,189.34 is: 501,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,267.60 : 876,419.29 = 363,189.34 : x
  2. Step 2: Convert to fraction form
    635,267.60/876,419.29 = 363,189.34/x
  3. Step 3: Cross multiply
    635,267.60x = 876,419.29 × 363,189.34
  4. Step 4: Simplify right side
    635,267.60x = 318,306,143,498.37
  5. Step 5: Solve for x
    x = 318,306,143,498.37/635,267.60
  6. Step 6: Final answer
    x = 501,058.36

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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.