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Finding the Fourth Proportional to 394,071.63, 543,608.70 and 241,183.92

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Solution

The fourth proportional to 394,071.63, 543,608.70 and 241,183.92 is: 332,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,071.63 : 543,608.70 = 241,183.92 : x
  2. Step 2: Convert to fraction form
    394,071.63/543,608.70 = 241,183.92/x
  3. Step 3: Cross multiply
    394,071.63x = 543,608.70 × 241,183.92
  4. Step 4: Simplify right side
    394,071.63x = 131,109,677,212.10
  5. Step 5: Solve for x
    x = 131,109,677,212.10/394,071.63
  6. Step 6: Final answer
    x = 332,705.19

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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.