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Finding the Fourth Proportional to 396,869.42, 595,386.14 and 130,645.91

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Solution

The fourth proportional to 396,869.42, 595,386.14 and 130,645.91 is: 195,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,869.42 : 595,386.14 = 130,645.91 : x
  2. Step 2: Convert to fraction form
    396,869.42/595,386.14 = 130,645.91/x
  3. Step 3: Cross multiply
    396,869.42x = 595,386.14 × 130,645.91
  4. Step 4: Simplify right side
    396,869.42x = 77,784,760,758.14
  5. Step 5: Solve for x
    x = 77,784,760,758.14/396,869.42
  6. Step 6: Final answer
    x = 195,995.86

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