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Finding the Fourth Proportional to 349,187.11, 481,842.25 and 196,200.97

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Solution

The fourth proportional to 349,187.11, 481,842.25 and 196,200.97 is: 270,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,187.11 : 481,842.25 = 196,200.97 : x
  2. Step 2: Convert to fraction form
    349,187.11/481,842.25 = 196,200.97/x
  3. Step 3: Cross multiply
    349,187.11x = 481,842.25 × 196,200.97
  4. Step 4: Simplify right side
    349,187.11x = 94,537,916,836.98
  5. Step 5: Solve for x
    x = 94,537,916,836.98/349,187.11
  6. Step 6: Final answer
    x = 270,737.13

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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.