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Finding the Fourth Proportional to 382,040.83, 527,185.49 and 220,906.32

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Solution

The fourth proportional to 382,040.83, 527,185.49 and 220,906.32 is: 304,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,040.83 : 527,185.49 = 220,906.32 : x
  2. Step 2: Convert to fraction form
    382,040.83/527,185.49 = 220,906.32/x
  3. Step 3: Cross multiply
    382,040.83x = 527,185.49 × 220,906.32
  4. Step 4: Simplify right side
    382,040.83x = 116,458,606,553.30
  5. Step 5: Solve for x
    x = 116,458,606,553.30/382,040.83
  6. Step 6: Final answer
    x = 304,832.88

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1.5x scale

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.