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Finding the Fourth Proportional to 394,897.06, 591,403.96 and 252,293.73

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Solution

The fourth proportional to 394,897.06, 591,403.96 and 252,293.73 is: 377,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,897.06 : 591,403.96 = 252,293.73 : x
  2. Step 2: Convert to fraction form
    394,897.06/591,403.96 = 252,293.73/x
  3. Step 3: Cross multiply
    394,897.06x = 591,403.96 × 252,293.73
  4. Step 4: Simplify right side
    394,897.06x = 149,207,511,005.17
  5. Step 5: Solve for x
    x = 149,207,511,005.17/394,897.06
  6. Step 6: Final answer
    x = 377,839.00

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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.