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Finding the Fourth Proportional to 322,676.76, 445,304.81 and 177,488.72

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Solution

The fourth proportional to 322,676.76, 445,304.81 and 177,488.72 is: 244,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,676.76 : 445,304.81 = 177,488.72 : x
  2. Step 2: Convert to fraction form
    322,676.76/445,304.81 = 177,488.72/x
  3. Step 3: Cross multiply
    322,676.76x = 445,304.81 × 177,488.72
  4. Step 4: Simplify right side
    322,676.76x = 79,036,577,622.78
  5. Step 5: Solve for x
    x = 79,036,577,622.78/322,676.76
  6. Step 6: Final answer
    x = 244,940.41

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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.