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Finding the Fourth Proportional to 394,956.48, 591,897.75 and 167,062.56

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Solution

The fourth proportional to 394,956.48, 591,897.75 and 167,062.56 is: 250,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,956.48 : 591,897.75 = 167,062.56 : x
  2. Step 2: Convert to fraction form
    394,956.48/591,897.75 = 167,062.56/x
  3. Step 3: Cross multiply
    394,956.48x = 591,897.75 × 167,062.56
  4. Step 4: Simplify right side
    394,956.48x = 98,883,953,373.24
  5. Step 5: Solve for x
    x = 98,883,953,373.24/394,956.48
  6. Step 6: Final answer
    x = 250,366.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.