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Finding the Fourth Proportional to 396,052.99, 593,842.23 and 126,064.51

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Solution

The fourth proportional to 396,052.99, 593,842.23 and 126,064.51 is: 189,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,052.99 : 593,842.23 = 126,064.51 : x
  2. Step 2: Convert to fraction form
    396,052.99/593,842.23 = 126,064.51/x
  3. Step 3: Cross multiply
    396,052.99x = 593,842.23 × 126,064.51
  4. Step 4: Simplify right side
    396,052.99x = 74,862,428,257.65
  5. Step 5: Solve for x
    x = 74,862,428,257.65/396,052.99
  6. Step 6: Final answer
    x = 189,021.24

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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.