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Finding the Fourth Proportional to 349,270.50, 481,993.92 and 198,367.50

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Solution

The fourth proportional to 349,270.50, 481,993.92 and 198,367.50 is: 273,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,270.50 : 481,993.92 = 198,367.50 : x
  2. Step 2: Convert to fraction form
    349,270.50/481,993.92 = 198,367.50/x
  3. Step 3: Cross multiply
    349,270.50x = 481,993.92 × 198,367.50
  4. Step 4: Simplify right side
    349,270.50x = 95,611,928,925.60
  5. Step 5: Solve for x
    x = 95,611,928,925.60/349,270.50
  6. Step 6: Final answer
    x = 273,747.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.