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Finding the Fourth Proportional to 396,993.24, 595,485 and 186,482.34

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Solution

The fourth proportional to 396,993.24, 595,485 and 186,482.34 is: 279,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,993.24 : 595,485 = 186,482.34 : x
  2. Step 2: Convert to fraction form
    396,993.24/595,485 = 186,482.34/x
  3. Step 3: Cross multiply
    396,993.24x = 595,485 × 186,482.34
  4. Step 4: Simplify right side
    396,993.24x = 111,047,436,234.90
  5. Step 5: Solve for x
    x = 111,047,436,234.90/396,993.24
  6. Step 6: Final answer
    x = 279,721.23

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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.