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Finding the Fourth Proportional to 350,881.82, 484,217.43 and 189,736.88

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Solution

The fourth proportional to 350,881.82, 484,217.43 and 189,736.88 is: 261,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,881.82 : 484,217.43 = 189,736.88 : x
  2. Step 2: Convert to fraction form
    350,881.82/484,217.43 = 189,736.88/x
  3. Step 3: Cross multiply
    350,881.82x = 484,217.43 × 189,736.88
  4. Step 4: Simplify right side
    350,881.82x = 91,873,901,988.73
  5. Step 5: Solve for x
    x = 91,873,901,988.73/350,881.82
  6. Step 6: Final answer
    x = 261,837.17

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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.