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Finding the Fourth Proportional to 363,712.69, 501,939.02 and 202,567.73

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Solution

The fourth proportional to 363,712.69, 501,939.02 and 202,567.73 is: 279,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,712.69 : 501,939.02 = 202,567.73 : x
  2. Step 2: Convert to fraction form
    363,712.69/501,939.02 = 202,567.73/x
  3. Step 3: Cross multiply
    363,712.69x = 501,939.02 × 202,567.73
  4. Step 4: Simplify right side
    363,712.69x = 101,676,647,879.83
  5. Step 5: Solve for x
    x = 101,676,647,879.83/363,712.69
  6. Step 6: Final answer
    x = 279,552.10

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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.