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Finding the Fourth Proportional to 394,219.89, 591,703.67 and 244,005.79

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Solution

The fourth proportional to 394,219.89, 591,703.67 and 244,005.79 is: 366,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,219.89 : 591,703.67 = 244,005.79 : x
  2. Step 2: Convert to fraction form
    394,219.89/591,703.67 = 244,005.79/x
  3. Step 3: Cross multiply
    394,219.89x = 591,703.67 × 244,005.79
  4. Step 4: Simplify right side
    394,219.89x = 144,379,121,444.25
  5. Step 5: Solve for x
    x = 144,379,121,444.25/394,219.89
  6. Step 6: Final answer
    x = 366,240.07

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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.