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Finding the Fourth Proportional to 342,496.46, 472,628.36 and 189,531.92

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Solution

The fourth proportional to 342,496.46, 472,628.36 and 189,531.92 is: 261,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,496.46 : 472,628.36 = 189,531.92 : x
  2. Step 2: Convert to fraction form
    342,496.46/472,628.36 = 189,531.92/x
  3. Step 3: Cross multiply
    342,496.46x = 472,628.36 × 189,531.92
  4. Step 4: Simplify right side
    342,496.46x = 89,578,160,517.25
  5. Step 5: Solve for x
    x = 89,578,160,517.25/342,496.46
  6. Step 6: Final answer
    x = 261,544.78

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