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Finding the Fourth Proportional to 547,954.62, 821,933.46 and 168,863.10

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Solution

The fourth proportional to 547,954.62, 821,933.46 and 168,863.10 is: 253,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,954.62 : 821,933.46 = 168,863.10 : x
  2. Step 2: Convert to fraction form
    547,954.62/821,933.46 = 168,863.10/x
  3. Step 3: Cross multiply
    547,954.62x = 821,933.46 × 168,863.10
  4. Step 4: Simplify right side
    547,954.62x = 138,794,232,049.33
  5. Step 5: Solve for x
    x = 138,794,232,049.33/547,954.62
  6. Step 6: Final answer
    x = 253,295.12

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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.