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Finding the Fourth Proportional to 363,778.34, 501,947.57 and 202,629.29

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Solution

The fourth proportional to 363,778.34, 501,947.57 and 202,629.29 is: 279,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,778.34 : 501,947.57 = 202,629.29 : x
  2. Step 2: Convert to fraction form
    363,778.34/501,947.57 = 202,629.29/x
  3. Step 3: Cross multiply
    363,778.34x = 501,947.57 × 202,629.29
  4. Step 4: Simplify right side
    363,778.34x = 101,709,279,726.33
  5. Step 5: Solve for x
    x = 101,709,279,726.33/363,778.34
  6. Step 6: Final answer
    x = 279,591.36

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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.