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Finding the Fourth Proportional to 322,588.21, 445,183.18 and 177,405.03

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Solution

The fourth proportional to 322,588.21, 445,183.18 and 177,405.03 is: 244,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,588.21 : 445,183.18 = 177,405.03 : x
  2. Step 2: Convert to fraction form
    322,588.21/445,183.18 = 177,405.03/x
  3. Step 3: Cross multiply
    322,588.21x = 445,183.18 × 177,405.03
  4. Step 4: Simplify right side
    322,588.21x = 78,977,735,403.40
  5. Step 5: Solve for x
    x = 78,977,735,403.40/322,588.21
  6. Step 6: Final answer
    x = 244,825.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.