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Finding the Fourth Proportional to 635,344.80, 876,854.82 and 363,374.94

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Solution

The fourth proportional to 635,344.80, 876,854.82 and 363,374.94 is: 501,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,344.80 : 876,854.82 = 363,374.94 : x
  2. Step 2: Convert to fraction form
    635,344.80/876,854.82 = 363,374.94/x
  3. Step 3: Cross multiply
    635,344.80x = 876,854.82 × 363,374.94
  4. Step 4: Simplify right side
    635,344.80x = 318,627,067,606.21
  5. Step 5: Solve for x
    x = 318,627,067,606.21/635,344.80
  6. Step 6: Final answer
    x = 501,502.60

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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.