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Finding the Fourth Proportional to 410,331.54, 616,579.74 and 220,931.94

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Solution

The fourth proportional to 410,331.54, 616,579.74 and 220,931.94 is: 331,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,331.54 : 616,579.74 = 220,931.94 : x
  2. Step 2: Convert to fraction form
    410,331.54/616,579.74 = 220,931.94/x
  3. Step 3: Cross multiply
    410,331.54x = 616,579.74 × 220,931.94
  4. Step 4: Simplify right side
    410,331.54x = 136,222,158,122.90
  5. Step 5: Solve for x
    x = 136,222,158,122.90/410,331.54
  6. Step 6: Final answer
    x = 331,980.72

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