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Finding the Fourth Proportional to 304,997.88, 457,076.08 and 220,081.44

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Solution

The fourth proportional to 304,997.88, 457,076.08 and 220,081.44 is: 329,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,997.88 : 457,076.08 = 220,081.44 : x
  2. Step 2: Convert to fraction form
    304,997.88/457,076.08 = 220,081.44/x
  3. Step 3: Cross multiply
    304,997.88x = 457,076.08 × 220,081.44
  4. Step 4: Simplify right side
    304,997.88x = 100,593,961,875.96
  5. Step 5: Solve for x
    x = 100,593,961,875.96/304,997.88
  6. Step 6: Final answer
    x = 329,818.56

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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.