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Finding the Fourth Proportional to 322,584.37, 445,177.62 and 177,396.10

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Solution

The fourth proportional to 322,584.37, 445,177.62 and 177,396.10 is: 244,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,584.37 : 445,177.62 = 177,396.10 : x
  2. Step 2: Convert to fraction form
    322,584.37/445,177.62 = 177,396.10/x
  3. Step 3: Cross multiply
    322,584.37x = 445,177.62 × 177,396.10
  4. Step 4: Simplify right side
    322,584.37x = 78,972,773,595.28
  5. Step 5: Solve for x
    x = 78,972,773,595.28/322,584.37
  6. Step 6: Final answer
    x = 244,812.77

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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.