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Finding the Fourth Proportional to 470,562.60, 705,843.90 and 189,935.40

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Solution

The fourth proportional to 470,562.60, 705,843.90 and 189,935.40 is: 284,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,562.60 : 705,843.90 = 189,935.40 : x
  2. Step 2: Convert to fraction form
    470,562.60/705,843.90 = 189,935.40/x
  3. Step 3: Cross multiply
    470,562.60x = 705,843.90 × 189,935.40
  4. Step 4: Simplify right side
    470,562.60x = 134,064,743,484.06
  5. Step 5: Solve for x
    x = 134,064,743,484.06/470,562.60
  6. Step 6: Final answer
    x = 284,903.10

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