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Finding the Fourth Proportional to 322,622.61, 445,213.44 and 179,379.51

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Solution

The fourth proportional to 322,622.61, 445,213.44 and 179,379.51 is: 247,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,622.61 : 445,213.44 = 179,379.51 : x
  2. Step 2: Convert to fraction form
    322,622.61/445,213.44 = 179,379.51/x
  3. Step 3: Cross multiply
    322,622.61x = 445,213.44 × 179,379.51
  4. Step 4: Simplify right side
    322,622.61x = 79,862,168,712.61
  5. Step 5: Solve for x
    x = 79,862,168,712.61/322,622.61
  6. Step 6: Final answer
    x = 247,540.52

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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.