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Finding the Fourth Proportional to 504,789.44, 757,682.91 and 220,676.06

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Solution

The fourth proportional to 504,789.44, 757,682.91 and 220,676.06 is: 331,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,789.44 : 757,682.91 = 220,676.06 : x
  2. Step 2: Convert to fraction form
    504,789.44/757,682.91 = 220,676.06/x
  3. Step 3: Cross multiply
    504,789.44x = 757,682.91 × 220,676.06
  4. Step 4: Simplify right side
    504,789.44x = 167,202,475,519.72
  5. Step 5: Solve for x
    x = 167,202,475,519.72/504,789.44
  6. Step 6: Final answer
    x = 331,232.12

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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.