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Finding the Fourth Proportional to 363,469.92, 501,635.51 and 208,481.69

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Solution

The fourth proportional to 363,469.92, 501,635.51 and 208,481.69 is: 287,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,469.92 : 501,635.51 = 208,481.69 : x
  2. Step 2: Convert to fraction form
    363,469.92/501,635.51 = 208,481.69/x
  3. Step 3: Cross multiply
    363,469.92x = 501,635.51 × 208,481.69
  4. Step 4: Simplify right side
    363,469.92x = 104,581,815,338.23
  5. Step 5: Solve for x
    x = 104,581,815,338.23/363,469.92
  6. Step 6: Final answer
    x = 287,731.69

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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.