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Finding the Fourth Proportional to 247,318.28, 371,035.90 and 196,907.92

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Solution

The fourth proportional to 247,318.28, 371,035.90 and 196,907.92 is: 295,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,318.28 : 371,035.90 = 196,907.92 : x
  2. Step 2: Convert to fraction form
    247,318.28/371,035.90 = 196,907.92/x
  3. Step 3: Cross multiply
    247,318.28x = 371,035.90 × 196,907.92
  4. Step 4: Simplify right side
    247,318.28x = 73,059,907,314.33
  5. Step 5: Solve for x
    x = 73,059,907,314.33/247,318.28
  6. Step 6: Final answer
    x = 295,408.44

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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.