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Finding the Fourth Proportional to 322,873.14, 445,553.75 and 177,665.35

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Solution

The fourth proportional to 322,873.14, 445,553.75 and 177,665.35 is: 245,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,873.14 : 445,553.75 = 177,665.35 : x
  2. Step 2: Convert to fraction form
    322,873.14/445,553.75 = 177,665.35/x
  3. Step 3: Cross multiply
    322,873.14x = 445,553.75 × 177,665.35
  4. Step 4: Simplify right side
    322,873.14x = 79,159,462,937.56
  5. Step 5: Solve for x
    x = 79,159,462,937.56/322,873.14
  6. Step 6: Final answer
    x = 245,172.03

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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.