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Finding the Fourth Proportional to 489,190.20, 733,785.30 and 453,760.80

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Solution

The fourth proportional to 489,190.20, 733,785.30 and 453,760.80 is: 680,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,190.20 : 733,785.30 = 453,760.80 : x
  2. Step 2: Convert to fraction form
    489,190.20/733,785.30 = 453,760.80/x
  3. Step 3: Cross multiply
    489,190.20x = 733,785.30 × 453,760.80
  4. Step 4: Simplify right side
    489,190.20x = 332,963,004,756.24
  5. Step 5: Solve for x
    x = 332,963,004,756.24/489,190.20
  6. Step 6: Final answer
    x = 680,641.20

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