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Finding the Fourth Proportional to 247,192, 367,608.12 and 239,318.72

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Solution

The fourth proportional to 247,192, 367,608.12 and 239,318.72 is: 355,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,192 : 367,608.12 = 239,318.72 : x
  2. Step 2: Convert to fraction form
    247,192/367,608.12 = 239,318.72/x
  3. Step 3: Cross multiply
    247,192x = 367,608.12 × 239,318.72
  4. Step 4: Simplify right side
    247,192x = 87,975,504,740.01
  5. Step 5: Solve for x
    x = 87,975,504,740.01/247,192
  6. Step 6: Final answer
    x = 355,899.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.