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Finding the Fourth Proportional to 446,463.20, 669,802.80 and 130,930.40

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Solution

The fourth proportional to 446,463.20, 669,802.80 and 130,930.40 is: 196,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,463.20 : 669,802.80 = 130,930.40 : x
  2. Step 2: Convert to fraction form
    446,463.20/669,802.80 = 130,930.40/x
  3. Step 3: Cross multiply
    446,463.20x = 669,802.80 × 130,930.40
  4. Step 4: Simplify right side
    446,463.20x = 87,697,548,525.12
  5. Step 5: Solve for x
    x = 87,697,548,525.12/446,463.20
  6. Step 6: Final answer
    x = 196,427.27

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