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Finding the Fourth Proportional to 394,124.22, 543,696.57 and 232,901.28

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Solution

The fourth proportional to 394,124.22, 543,696.57 and 232,901.28 is: 321,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,124.22 : 543,696.57 = 232,901.28 : x
  2. Step 2: Convert to fraction form
    394,124.22/543,696.57 = 232,901.28/x
  3. Step 3: Cross multiply
    394,124.22x = 543,696.57 × 232,901.28
  4. Step 4: Simplify right side
    394,124.22x = 126,627,627,084.61
  5. Step 5: Solve for x
    x = 126,627,627,084.61/394,124.22
  6. Step 6: Final answer
    x = 321,288.62

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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.