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Finding the Fourth Proportional to 204,578.62, 306,824.18 and 64,304.44

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Solution

The fourth proportional to 204,578.62, 306,824.18 and 64,304.44 is: 96,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,578.62 : 306,824.18 = 64,304.44 : x
  2. Step 2: Convert to fraction form
    204,578.62/306,824.18 = 64,304.44/x
  3. Step 3: Cross multiply
    204,578.62x = 306,824.18 × 64,304.44
  4. Step 4: Simplify right side
    204,578.62x = 19,730,157,073.36
  5. Step 5: Solve for x
    x = 19,730,157,073.36/204,578.62
  6. Step 6: Final answer
    x = 96,442.91

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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.