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Finding the Fourth Proportional to 361,793.06, 542,578.51 and 250,190.45

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Solution

The fourth proportional to 361,793.06, 542,578.51 and 250,190.45 is: 375,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,793.06 : 542,578.51 = 250,190.45 : x
  2. Step 2: Convert to fraction form
    361,793.06/542,578.51 = 250,190.45/x
  3. Step 3: Cross multiply
    361,793.06x = 542,578.51 × 250,190.45
  4. Step 4: Simplify right side
    361,793.06x = 135,747,961,577.23
  5. Step 5: Solve for x
    x = 135,747,961,577.23/361,793.06
  6. Step 6: Final answer
    x = 375,208.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.