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Finding the Fourth Proportional to 444,676.08, 666,843.96 and 219,959.40

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Solution

The fourth proportional to 444,676.08, 666,843.96 and 219,959.40 is: 329,854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,676.08 : 666,843.96 = 219,959.40 : x
  2. Step 2: Convert to fraction form
    444,676.08/666,843.96 = 219,959.40/x
  3. Step 3: Cross multiply
    444,676.08x = 666,843.96 × 219,959.40
  4. Step 4: Simplify right side
    444,676.08x = 146,678,597,335.22
  5. Step 5: Solve for x
    x = 146,678,597,335.22/444,676.08
  6. Step 6: Final answer
    x = 329,854.93

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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.