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Finding the Fourth Proportional to 416,091.80, 624,137.70 and 411,944.60

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Solution

The fourth proportional to 416,091.80, 624,137.70 and 411,944.60 is: 617,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,091.80 : 624,137.70 = 411,944.60 : x
  2. Step 2: Convert to fraction form
    416,091.80/624,137.70 = 411,944.60/x
  3. Step 3: Cross multiply
    416,091.80x = 624,137.70 × 411,944.60
  4. Step 4: Simplify right side
    416,091.80x = 257,110,155,171.42
  5. Step 5: Solve for x
    x = 257,110,155,171.42/416,091.80
  6. Step 6: Final answer
    x = 617,916.90

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