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Finding the Fourth Proportional to 444,327.44, 665,654.16 and 219,424.64

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Solution

The fourth proportional to 444,327.44, 665,654.16 and 219,424.64 is: 328,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,327.44 : 665,654.16 = 219,424.64 : x
  2. Step 2: Convert to fraction form
    444,327.44/665,654.16 = 219,424.64/x
  3. Step 3: Cross multiply
    444,327.44x = 665,654.16 × 219,424.64
  4. Step 4: Simplify right side
    444,327.44x = 146,060,924,422.50
  5. Step 5: Solve for x
    x = 146,060,924,422.50/444,327.44
  6. Step 6: Final answer
    x = 328,723.62

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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.