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Finding the Fourth Proportional to 486,787.14, 729,830.70 and 220,410.54

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Solution

The fourth proportional to 486,787.14, 729,830.70 and 220,410.54 is: 330,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,787.14 : 729,830.70 = 220,410.54 : x
  2. Step 2: Convert to fraction form
    486,787.14/729,830.70 = 220,410.54/x
  3. Step 3: Cross multiply
    486,787.14x = 729,830.70 × 220,410.54
  4. Step 4: Simplify right side
    486,787.14x = 160,862,378,695.58
  5. Step 5: Solve for x
    x = 160,862,378,695.58/486,787.14
  6. Step 6: Final answer
    x = 330,457.33

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