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Finding the Fourth Proportional to 404,576.80, 558,000.49 and 259,396.45

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Solution

The fourth proportional to 404,576.80, 558,000.49 and 259,396.45 is: 357,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,576.80 : 558,000.49 = 259,396.45 : x
  2. Step 2: Convert to fraction form
    404,576.80/558,000.49 = 259,396.45/x
  3. Step 3: Cross multiply
    404,576.80x = 558,000.49 × 259,396.45
  4. Step 4: Simplify right side
    404,576.80x = 144,743,343,414.26
  5. Step 5: Solve for x
    x = 144,743,343,414.26/404,576.80
  6. Step 6: Final answer
    x = 357,764.82

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