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Finding the Fourth Proportional to 444,994.60, 667,491.90 and 325,438.60

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Solution

The fourth proportional to 444,994.60, 667,491.90 and 325,438.60 is: 488,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,994.60 : 667,491.90 = 325,438.60 : x
  2. Step 2: Convert to fraction form
    444,994.60/667,491.90 = 325,438.60/x
  3. Step 3: Cross multiply
    444,994.60x = 667,491.90 × 325,438.60
  4. Step 4: Simplify right side
    444,994.60x = 217,227,629,447.34
  5. Step 5: Solve for x
    x = 217,227,629,447.34/444,994.60
  6. Step 6: Final answer
    x = 488,157.90

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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.