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Finding the Fourth Proportional to 322,996.06, 445,730.21 and 179,756.06

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Solution

The fourth proportional to 322,996.06, 445,730.21 and 179,756.06 is: 248,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,996.06 : 445,730.21 = 179,756.06 : x
  2. Step 2: Convert to fraction form
    322,996.06/445,730.21 = 179,756.06/x
  3. Step 3: Cross multiply
    322,996.06x = 445,730.21 × 179,756.06
  4. Step 4: Simplify right side
    322,996.06x = 80,122,705,473.79
  5. Step 5: Solve for x
    x = 80,122,705,473.79/322,996.06
  6. Step 6: Final answer
    x = 248,060.94

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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.