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Finding the Fourth Proportional to 413,701.20, 620,624.70 and 147,616.20

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Solution

The fourth proportional to 413,701.20, 620,624.70 and 147,616.20 is: 221,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,701.20 : 620,624.70 = 147,616.20 : x
  2. Step 2: Convert to fraction form
    413,701.20/620,624.70 = 147,616.20/x
  3. Step 3: Cross multiply
    413,701.20x = 620,624.70 × 147,616.20
  4. Step 4: Simplify right side
    413,701.20x = 91,614,259,840.14
  5. Step 5: Solve for x
    x = 91,614,259,840.14/413,701.20
  6. Step 6: Final answer
    x = 221,450.31

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