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Finding the Fourth Proportional to 460,733.69, 691,194.49 and 261,143.21

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Solution

The fourth proportional to 460,733.69, 691,194.49 and 261,143.21 is: 391,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,733.69 : 691,194.49 = 261,143.21 : x
  2. Step 2: Convert to fraction form
    460,733.69/691,194.49 = 261,143.21/x
  3. Step 3: Cross multiply
    460,733.69x = 691,194.49 × 261,143.21
  4. Step 4: Simplify right side
    460,733.69x = 180,500,743,744.08
  5. Step 5: Solve for x
    x = 180,500,743,744.08/460,733.69
  6. Step 6: Final answer
    x = 391,768.06

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