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Finding the Fourth Proportional to 470,978.20, 706,248.60 and 204,601.60

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Solution

The fourth proportional to 470,978.20, 706,248.60 and 204,601.60 is: 306,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,978.20 : 706,248.60 = 204,601.60 : x
  2. Step 2: Convert to fraction form
    470,978.20/706,248.60 = 204,601.60/x
  3. Step 3: Cross multiply
    470,978.20x = 706,248.60 × 204,601.60
  4. Step 4: Simplify right side
    470,978.20x = 144,499,593,557.76
  5. Step 5: Solve for x
    x = 144,499,593,557.76/470,978.20
  6. Step 6: Final answer
    x = 306,807.39

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