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Finding the Fourth Proportional to 329,519.04, 454,735.84 and 178,616

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Solution

The fourth proportional to 329,519.04, 454,735.84 and 178,616 is: 246,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,519.04 : 454,735.84 = 178,616 : x
  2. Step 2: Convert to fraction form
    329,519.04/454,735.84 = 178,616/x
  3. Step 3: Cross multiply
    329,519.04x = 454,735.84 × 178,616
  4. Step 4: Simplify right side
    329,519.04x = 81,223,096,797.44
  5. Step 5: Solve for x
    x = 81,223,096,797.44/329,519.04
  6. Step 6: Final answer
    x = 246,489.84

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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.