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Finding the Fourth Proportional to 322,553.44, 445,138.94 and 179,315.88

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Solution

The fourth proportional to 322,553.44, 445,138.94 and 179,315.88 is: 247,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,553.44 : 445,138.94 = 179,315.88 : x
  2. Step 2: Convert to fraction form
    322,553.44/445,138.94 = 179,315.88/x
  3. Step 3: Cross multiply
    322,553.44x = 445,138.94 × 179,315.88
  4. Step 4: Simplify right side
    322,553.44x = 79,820,478,298.53
  5. Step 5: Solve for x
    x = 79,820,478,298.53/322,553.44
  6. Step 6: Final answer
    x = 247,464.35

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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.