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Finding the Fourth Proportional to 247,343.45, 370,517.63 and 187,474.33

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Solution

The fourth proportional to 247,343.45, 370,517.63 and 187,474.33 is: 280,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,343.45 : 370,517.63 = 187,474.33 : x
  2. Step 2: Convert to fraction form
    247,343.45/370,517.63 = 187,474.33/x
  3. Step 3: Cross multiply
    247,343.45x = 370,517.63 × 187,474.33
  4. Step 4: Simplify right side
    247,343.45x = 69,462,544,437.44
  5. Step 5: Solve for x
    x = 69,462,544,437.44/247,343.45
  6. Step 6: Final answer
    x = 280,834.38

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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.