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Finding the Fourth Proportional to 416,458.80, 624,688.20 and 179,636.40

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Solution

The fourth proportional to 416,458.80, 624,688.20 and 179,636.40 is: 269,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,458.80 : 624,688.20 = 179,636.40 : x
  2. Step 2: Convert to fraction form
    416,458.80/624,688.20 = 179,636.40/x
  3. Step 3: Cross multiply
    416,458.80x = 624,688.20 × 179,636.40
  4. Step 4: Simplify right side
    416,458.80x = 112,216,739,370.48
  5. Step 5: Solve for x
    x = 112,216,739,370.48/416,458.80
  6. Step 6: Final answer
    x = 269,454.60

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