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Finding the Fourth Proportional to 394,663.29, 591,958.02 and 110,379.26

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Solution

The fourth proportional to 394,663.29, 591,958.02 and 110,379.26 is: 165,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,663.29 : 591,958.02 = 110,379.26 : x
  2. Step 2: Convert to fraction form
    394,663.29/591,958.02 = 110,379.26/x
  3. Step 3: Cross multiply
    394,663.29x = 591,958.02 × 110,379.26
  4. Step 4: Simplify right side
    394,663.29x = 65,339,886,762.72
  5. Step 5: Solve for x
    x = 65,339,886,762.72/394,663.29
  6. Step 6: Final answer
    x = 165,558.56

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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.