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Finding the Fourth Proportional to 322,119.88, 444,943.74 and 245,171.50

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Solution

The fourth proportional to 322,119.88, 444,943.74 and 245,171.50 is: 338,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,119.88 : 444,943.74 = 245,171.50 : x
  2. Step 2: Convert to fraction form
    322,119.88/444,943.74 = 245,171.50/x
  3. Step 3: Cross multiply
    322,119.88x = 444,943.74 × 245,171.50
  4. Step 4: Simplify right side
    322,119.88x = 109,087,524,151.41
  5. Step 5: Solve for x
    x = 109,087,524,151.41/322,119.88
  6. Step 6: Final answer
    x = 338,655.05

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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.