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Finding the Fourth Proportional to 394,954.40, 591,894.65 and 167,060.50

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Solution

The fourth proportional to 394,954.40, 591,894.65 and 167,060.50 is: 250,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,954.40 : 591,894.65 = 167,060.50 : x
  2. Step 2: Convert to fraction form
    394,954.40/591,894.65 = 167,060.50/x
  3. Step 3: Cross multiply
    394,954.40x = 591,894.65 × 167,060.50
  4. Step 4: Simplify right side
    394,954.40x = 98,882,213,861.29
  5. Step 5: Solve for x
    x = 98,882,213,861.29/394,954.40
  6. Step 6: Final answer
    x = 250,363.62

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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.