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Finding the Fourth Proportional to 396,687.68, 595,036.40 and 116,210.64

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Solution

The fourth proportional to 396,687.68, 595,036.40 and 116,210.64 is: 174,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,687.68 : 595,036.40 = 116,210.64 : x
  2. Step 2: Convert to fraction form
    396,687.68/595,036.40 = 116,210.64/x
  3. Step 3: Cross multiply
    396,687.68x = 595,036.40 × 116,210.64
  4. Step 4: Simplify right side
    396,687.68x = 69,149,560,867.30
  5. Step 5: Solve for x
    x = 69,149,560,867.30/396,687.68
  6. Step 6: Final answer
    x = 174,317.39

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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.