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Finding the Fourth Proportional to 470,518.92, 705,381.63 and 204,078.78

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Solution

The fourth proportional to 470,518.92, 705,381.63 and 204,078.78 is: 305,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,518.92 : 705,381.63 = 204,078.78 : x
  2. Step 2: Convert to fraction form
    470,518.92/705,381.63 = 204,078.78/x
  3. Step 3: Cross multiply
    470,518.92x = 705,381.63 × 204,078.78
  4. Step 4: Simplify right side
    470,518.92x = 143,953,422,484.81
  5. Step 5: Solve for x
    x = 143,953,422,484.81/470,518.92
  6. Step 6: Final answer
    x = 305,946.09

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