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Finding the Fourth Proportional to 444,980.56, 667,618.44 and 178,603.96

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Solution

The fourth proportional to 444,980.56, 667,618.44 and 178,603.96 is: 267,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,980.56 : 667,618.44 = 178,603.96 : x
  2. Step 2: Convert to fraction form
    444,980.56/667,618.44 = 178,603.96/x
  3. Step 3: Cross multiply
    444,980.56x = 667,618.44 × 178,603.96
  4. Step 4: Simplify right side
    444,980.56x = 119,239,297,153.02
  5. Step 5: Solve for x
    x = 119,239,297,153.02/444,980.56
  6. Step 6: Final answer
    x = 267,965.18

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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.