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Finding the Fourth Proportional to 635,268.11, 876,419.97 and 363,189.84

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Solution

The fourth proportional to 635,268.11, 876,419.97 and 363,189.84 is: 501,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,268.11 : 876,419.97 = 363,189.84 : x
  2. Step 2: Convert to fraction form
    635,268.11/876,419.97 = 363,189.84/x
  3. Step 3: Cross multiply
    635,268.11x = 876,419.97 × 363,189.84
  4. Step 4: Simplify right side
    635,268.11x = 318,306,828,677.11
  5. Step 5: Solve for x
    x = 318,306,828,677.11/635,268.11
  6. Step 6: Final answer
    x = 501,059.04

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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.