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Finding the Fourth Proportional to 394,707.33, 591,970.42 and 110,418.01

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Solution

The fourth proportional to 394,707.33, 591,970.42 and 110,418.01 is: 165,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,707.33 : 591,970.42 = 110,418.01 : x
  2. Step 2: Convert to fraction form
    394,707.33/591,970.42 = 110,418.01/x
  3. Step 3: Cross multiply
    394,707.33x = 591,970.42 × 110,418.01
  4. Step 4: Simplify right side
    394,707.33x = 65,364,195,755.26
  5. Step 5: Solve for x
    x = 65,364,195,755.26/394,707.33
  6. Step 6: Final answer
    x = 165,601.68

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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.