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Finding the Fourth Proportional to 336,996.45, 505,641.69 and 179,039.97

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Solution

The fourth proportional to 336,996.45, 505,641.69 and 179,039.97 is: 268,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,996.45 : 505,641.69 = 179,039.97 : x
  2. Step 2: Convert to fraction form
    336,996.45/505,641.69 = 179,039.97/x
  3. Step 3: Cross multiply
    336,996.45x = 505,641.69 × 179,039.97
  4. Step 4: Simplify right side
    336,996.45x = 90,530,073,008.35
  5. Step 5: Solve for x
    x = 90,530,073,008.35/336,996.45
  6. Step 6: Final answer
    x = 268,638.06

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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.