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Finding the Fourth Proportional to 349,910.69, 524,553.47 and 136,628.98

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Solution

The fourth proportional to 349,910.69, 524,553.47 and 136,628.98 is: 204,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,910.69 : 524,553.47 = 136,628.98 : x
  2. Step 2: Convert to fraction form
    349,910.69/524,553.47 = 136,628.98/x
  3. Step 3: Cross multiply
    349,910.69x = 524,553.47 × 136,628.98
  4. Step 4: Simplify right side
    349,910.69x = 71,669,206,067.06
  5. Step 5: Solve for x
    x = 71,669,206,067.06/349,910.69
  6. Step 6: Final answer
    x = 204,821.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.