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Finding the Fourth Proportional to 329,436, 454,622.06 and 178,533

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Solution

The fourth proportional to 329,436, 454,622.06 and 178,533 is: 246,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,436 : 454,622.06 = 178,533 : x
  2. Step 2: Convert to fraction form
    329,436/454,622.06 = 178,533/x
  3. Step 3: Cross multiply
    329,436x = 454,622.06 × 178,533
  4. Step 4: Simplify right side
    329,436x = 81,165,040,237.98
  5. Step 5: Solve for x
    x = 81,165,040,237.98/329,436
  6. Step 6: Final answer
    x = 246,375.75

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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.