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Finding the Fourth Proportional to 416,385.87, 624,485.37 and 191,530.35

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Solution

The fourth proportional to 416,385.87, 624,485.37 and 191,530.35 is: 287,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,385.87 : 624,485.37 = 191,530.35 : x
  2. Step 2: Convert to fraction form
    416,385.87/624,485.37 = 191,530.35/x
  3. Step 3: Cross multiply
    416,385.87x = 624,485.37 × 191,530.35
  4. Step 4: Simplify right side
    416,385.87x = 119,607,901,485.98
  5. Step 5: Solve for x
    x = 119,607,901,485.98/416,385.87
  6. Step 6: Final answer
    x = 287,252.55

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