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Finding the Fourth Proportional to 624,198.40, 936,297.60 and 384,503.20

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Solution

The fourth proportional to 624,198.40, 936,297.60 and 384,503.20 is: 576,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,198.40 : 936,297.60 = 384,503.20 : x
  2. Step 2: Convert to fraction form
    624,198.40/936,297.60 = 384,503.20/x
  3. Step 3: Cross multiply
    624,198.40x = 936,297.60 × 384,503.20
  4. Step 4: Simplify right side
    624,198.40x = 360,009,423,352.32
  5. Step 5: Solve for x
    x = 360,009,423,352.32/624,198.40
  6. Step 6: Final answer
    x = 576,754.80

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