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Finding the Fourth Proportional to 332,490.43, 458,839.72 and 189,259.69

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Solution

The fourth proportional to 332,490.43, 458,839.72 and 189,259.69 is: 261,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,490.43 : 458,839.72 = 189,259.69 : x
  2. Step 2: Convert to fraction form
    332,490.43/458,839.72 = 189,259.69/x
  3. Step 3: Cross multiply
    332,490.43x = 458,839.72 × 189,259.69
  4. Step 4: Simplify right side
    332,490.43x = 86,839,862,220.59
  5. Step 5: Solve for x
    x = 86,839,862,220.59/332,490.43
  6. Step 6: Final answer
    x = 261,180.04

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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.