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Finding the Fourth Proportional to 332,512.70, 458,923.73 and 189,253.26

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Solution

The fourth proportional to 332,512.70, 458,923.73 and 189,253.26 is: 261,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,512.70 : 458,923.73 = 189,253.26 : x
  2. Step 2: Convert to fraction form
    332,512.70/458,923.73 = 189,253.26/x
  3. Step 3: Cross multiply
    332,512.70x = 458,923.73 × 189,253.26
  4. Step 4: Simplify right side
    332,512.70x = 86,852,811,047.59
  5. Step 5: Solve for x
    x = 86,852,811,047.59/332,512.70
  6. Step 6: Final answer
    x = 261,201.49

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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.