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Finding the Fourth Proportional to 404,069.60, 605,958.60 and 164,082.80

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Solution

The fourth proportional to 404,069.60, 605,958.60 and 164,082.80 is: 246,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,069.60 : 605,958.60 = 164,082.80 : x
  2. Step 2: Convert to fraction form
    404,069.60/605,958.60 = 164,082.80/x
  3. Step 3: Cross multiply
    404,069.60x = 605,958.60 × 164,082.80
  4. Step 4: Simplify right side
    404,069.60x = 99,427,383,772.08
  5. Step 5: Solve for x
    x = 99,427,383,772.08/404,069.60
  6. Step 6: Final answer
    x = 246,064.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.