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Finding the Fourth Proportional to 363,122.20, 544,245.90 and 185,537.80

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Solution

The fourth proportional to 363,122.20, 544,245.90 and 185,537.80 is: 278,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,122.20 : 544,245.90 = 185,537.80 : x
  2. Step 2: Convert to fraction form
    363,122.20/544,245.90 = 185,537.80/x
  3. Step 3: Cross multiply
    363,122.20x = 544,245.90 × 185,537.80
  4. Step 4: Simplify right side
    363,122.20x = 100,978,186,945.02
  5. Step 5: Solve for x
    x = 100,978,186,945.02/363,122.20
  6. Step 6: Final answer
    x = 278,083.21

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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.