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Finding the Fourth Proportional to 349,249.79, 481,965.17 and 198,346.79

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Solution

The fourth proportional to 349,249.79, 481,965.17 and 198,346.79 is: 273,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,249.79 : 481,965.17 = 198,346.79 : x
  2. Step 2: Convert to fraction form
    349,249.79/481,965.17 = 198,346.79/x
  3. Step 3: Cross multiply
    349,249.79x = 481,965.17 × 198,346.79
  4. Step 4: Simplify right side
    349,249.79x = 95,596,244,574.48
  5. Step 5: Solve for x
    x = 95,596,244,574.48/349,249.79
  6. Step 6: Final answer
    x = 273,718.83

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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.