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Finding the Fourth Proportional to 409,000.70, 613,501.05 and 231,853.70

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Solution

The fourth proportional to 409,000.70, 613,501.05 and 231,853.70 is: 347,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,000.70 : 613,501.05 = 231,853.70 : x
  2. Step 2: Convert to fraction form
    409,000.70/613,501.05 = 231,853.70/x
  3. Step 3: Cross multiply
    409,000.70x = 613,501.05 × 231,853.70
  4. Step 4: Simplify right side
    409,000.70x = 142,242,488,396.39
  5. Step 5: Solve for x
    x = 142,242,488,396.39/409,000.70
  6. Step 6: Final answer
    x = 347,780.55

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