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Finding the Fourth Proportional to 446,964.40, 670,446.60 and 305,246.80

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Solution

The fourth proportional to 446,964.40, 670,446.60 and 305,246.80 is: 457,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,964.40 : 670,446.60 = 305,246.80 : x
  2. Step 2: Convert to fraction form
    446,964.40/670,446.60 = 305,246.80/x
  3. Step 3: Cross multiply
    446,964.40x = 670,446.60 × 305,246.80
  4. Step 4: Simplify right side
    446,964.40x = 204,651,679,220.88
  5. Step 5: Solve for x
    x = 204,651,679,220.88/446,964.40
  6. Step 6: Final answer
    x = 457,870.20

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