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Finding the Fourth Proportional to 394,073.13, 543,610.77 and 241,185.42

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Solution

The fourth proportional to 394,073.13, 543,610.77 and 241,185.42 is: 332,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,073.13 : 543,610.77 = 241,185.42 : x
  2. Step 2: Convert to fraction form
    394,073.13/543,610.77 = 241,185.42/x
  3. Step 3: Cross multiply
    394,073.13x = 543,610.77 × 241,185.42
  4. Step 4: Simplify right side
    394,073.13x = 131,110,991,878.97
  5. Step 5: Solve for x
    x = 131,110,991,878.97/394,073.13
  6. Step 6: Final answer
    x = 332,707.26

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1.5x scale

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.