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Finding the Fourth Proportional to 397,067.68, 595,605.04 and 116,589.60

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Solution

The fourth proportional to 397,067.68, 595,605.04 and 116,589.60 is: 174,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,067.68 : 595,605.04 = 116,589.60 : x
  2. Step 2: Convert to fraction form
    397,067.68/595,605.04 = 116,589.60/x
  3. Step 3: Cross multiply
    397,067.68x = 595,605.04 × 116,589.60
  4. Step 4: Simplify right side
    397,067.68x = 69,441,353,371.58
  5. Step 5: Solve for x
    x = 69,441,353,371.58/397,067.68
  6. Step 6: Final answer
    x = 174,885.43

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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.