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Finding the Fourth Proportional to 489,235.80, 733,853.70 and 453,806.40

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Solution

The fourth proportional to 489,235.80, 733,853.70 and 453,806.40 is: 680,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,235.80 : 733,853.70 = 453,806.40 : x
  2. Step 2: Convert to fraction form
    489,235.80/733,853.70 = 453,806.40/x
  3. Step 3: Cross multiply
    489,235.80x = 733,853.70 × 453,806.40
  4. Step 4: Simplify right side
    489,235.80x = 333,027,505,723.68
  5. Step 5: Solve for x
    x = 333,027,505,723.68/489,235.80
  6. Step 6: Final answer
    x = 680,709.60

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