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Finding the Fourth Proportional to 396,028.95, 594,012.33 and 111,707.97

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Solution

The fourth proportional to 396,028.95, 594,012.33 and 111,707.97 is: 167,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,028.95 : 594,012.33 = 111,707.97 : x
  2. Step 2: Convert to fraction form
    396,028.95/594,012.33 = 111,707.97/x
  3. Step 3: Cross multiply
    396,028.95x = 594,012.33 × 111,707.97
  4. Step 4: Simplify right side
    396,028.95x = 66,355,911,539.27
  5. Step 5: Solve for x
    x = 66,355,911,539.27/396,028.95
  6. Step 6: Final answer
    x = 167,553.18

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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.