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Finding the Fourth Proportional to 349,052.55, 481,692.22 and 198,149.55

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Solution

The fourth proportional to 349,052.55, 481,692.22 and 198,149.55 is: 273,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,052.55 : 481,692.22 = 198,149.55 : x
  2. Step 2: Convert to fraction form
    349,052.55/481,692.22 = 198,149.55/x
  3. Step 3: Cross multiply
    349,052.55x = 481,692.22 × 198,149.55
  4. Step 4: Simplify right side
    349,052.55x = 95,447,096,631.50
  5. Step 5: Solve for x
    x = 95,447,096,631.50/349,052.55
  6. Step 6: Final answer
    x = 273,446.21

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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.