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Finding the Fourth Proportional to 624,004.80, 936,007.20 and 386,577.60

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Solution

The fourth proportional to 624,004.80, 936,007.20 and 386,577.60 is: 579,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,004.80 : 936,007.20 = 386,577.60 : x
  2. Step 2: Convert to fraction form
    624,004.80/936,007.20 = 386,577.60/x
  3. Step 3: Cross multiply
    624,004.80x = 936,007.20 × 386,577.60
  4. Step 4: Simplify right side
    624,004.80x = 361,839,416,958.72
  5. Step 5: Solve for x
    x = 361,839,416,958.72/624,004.80
  6. Step 6: Final answer
    x = 579,866.40

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