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Finding the Fourth Proportional to 332,588.91, 458,973.11 and 189,348.95

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Solution

The fourth proportional to 332,588.91, 458,973.11 and 189,348.95 is: 261,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,588.91 : 458,973.11 = 189,348.95 : x
  2. Step 2: Convert to fraction form
    332,588.91/458,973.11 = 189,348.95/x
  3. Step 3: Cross multiply
    332,588.91x = 458,973.11 × 189,348.95
  4. Step 4: Simplify right side
    332,588.91x = 86,906,073,215.12
  5. Step 5: Solve for x
    x = 86,906,073,215.12/332,588.91
  6. Step 6: Final answer
    x = 261,301.78

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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.