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Finding the Fourth Proportional to 444,338, 613,186.44 and 243,134

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Solution

The fourth proportional to 444,338, 613,186.44 and 243,134 is: 335,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,338 : 613,186.44 = 243,134 : x
  2. Step 2: Convert to fraction form
    444,338/613,186.44 = 243,134/x
  3. Step 3: Cross multiply
    444,338x = 613,186.44 × 243,134
  4. Step 4: Simplify right side
    444,338x = 149,086,471,902.96
  5. Step 5: Solve for x
    x = 149,086,471,902.96/444,338
  6. Step 6: Final answer
    x = 335,524.92

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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.