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Finding the Fourth Proportional to 322,661.88, 484,213.34 and 112,299.82

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Solution

The fourth proportional to 322,661.88, 484,213.34 and 112,299.82 is: 168,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,661.88 : 484,213.34 = 112,299.82 : x
  2. Step 2: Convert to fraction form
    322,661.88/484,213.34 = 112,299.82/x
  3. Step 3: Cross multiply
    322,661.88x = 484,213.34 × 112,299.82
  4. Step 4: Simplify right side
    322,661.88x = 54,377,069,993.82
  5. Step 5: Solve for x
    x = 54,377,069,993.82/322,661.88
  6. Step 6: Final answer
    x = 168,526.48

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Why These Related Problems?

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