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Finding the Fourth Proportional to 350,879.73, 484,213.66 and 189,734.37

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Solution

The fourth proportional to 350,879.73, 484,213.66 and 189,734.37 is: 261,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,879.73 : 484,213.66 = 189,734.37 : x
  2. Step 2: Convert to fraction form
    350,879.73/484,213.66 = 189,734.37/x
  3. Step 3: Cross multiply
    350,879.73x = 484,213.66 × 189,734.37
  4. Step 4: Simplify right side
    350,879.73x = 91,871,973,725.49
  5. Step 5: Solve for x
    x = 91,871,973,725.49/350,879.73
  6. Step 6: Final answer
    x = 261,833.23

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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.