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Finding the Fourth Proportional to 349,158.20, 481,838.83 and 198,255.20

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Solution

The fourth proportional to 349,158.20, 481,838.83 and 198,255.20 is: 273,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,158.20 : 481,838.83 = 198,255.20 : x
  2. Step 2: Convert to fraction form
    349,158.20/481,838.83 = 198,255.20/x
  3. Step 3: Cross multiply
    349,158.20x = 481,838.83 × 198,255.20
  4. Step 4: Simplify right side
    349,158.20x = 95,527,050,704.58
  5. Step 5: Solve for x
    x = 95,527,050,704.58/349,158.20
  6. Step 6: Final answer
    x = 273,592.46

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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.