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Finding the Fourth Proportional to 449,028.17, 673,797.86 and 164,680.81

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Solution

The fourth proportional to 449,028.17, 673,797.86 and 164,680.81 is: 247,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,028.17 : 673,797.86 = 164,680.81 : x
  2. Step 2: Convert to fraction form
    449,028.17/673,797.86 = 164,680.81/x
  3. Step 3: Cross multiply
    449,028.17x = 673,797.86 × 164,680.81
  4. Step 4: Simplify right side
    449,028.17x = 110,961,576,765.62
  5. Step 5: Solve for x
    x = 110,961,576,765.62/449,028.17
  6. Step 6: Final answer
    x = 247,114.96

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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.