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Finding the Fourth Proportional to 617,052.70, 925,579.05 and 448,216.30

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Solution

The fourth proportional to 617,052.70, 925,579.05 and 448,216.30 is: 672,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,052.70 : 925,579.05 = 448,216.30 : x
  2. Step 2: Convert to fraction form
    617,052.70/925,579.05 = 448,216.30/x
  3. Step 3: Cross multiply
    617,052.70x = 925,579.05 × 448,216.30
  4. Step 4: Simplify right side
    617,052.70x = 414,859,617,148.52
  5. Step 5: Solve for x
    x = 414,859,617,148.52/617,052.70
  6. Step 6: Final answer
    x = 672,324.45

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