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Finding the Fourth Proportional to 465,136.20, 699,086.70 and 404,310.60

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Solution

The fourth proportional to 465,136.20, 699,086.70 and 404,310.60 is: 607,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,136.20 : 699,086.70 = 404,310.60 : x
  2. Step 2: Convert to fraction form
    465,136.20/699,086.70 = 404,310.60/x
  3. Step 3: Cross multiply
    465,136.20x = 699,086.70 × 404,310.60
  4. Step 4: Simplify right side
    465,136.20x = 282,648,163,129.02
  5. Step 5: Solve for x
    x = 282,648,163,129.02/465,136.20
  6. Step 6: Final answer
    x = 607,667.52

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