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Finding the Fourth Proportional to 371,793.33, 513,078.05 and 202,027.45

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Solution

The fourth proportional to 371,793.33, 513,078.05 and 202,027.45 is: 278,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,793.33 : 513,078.05 = 202,027.45 : x
  2. Step 2: Convert to fraction form
    371,793.33/513,078.05 = 202,027.45/x
  3. Step 3: Cross multiply
    371,793.33x = 513,078.05 × 202,027.45
  4. Step 4: Simplify right side
    371,793.33x = 103,655,850,092.47
  5. Step 5: Solve for x
    x = 103,655,850,092.47/371,793.33
  6. Step 6: Final answer
    x = 278,799.65

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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.