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Finding the Fourth Proportional to 322,560.09, 445,142.59 and 177,358.34

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Solution

The fourth proportional to 322,560.09, 445,142.59 and 177,358.34 is: 244,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,560.09 : 445,142.59 = 177,358.34 : x
  2. Step 2: Convert to fraction form
    322,560.09/445,142.59 = 177,358.34/x
  3. Step 3: Cross multiply
    322,560.09x = 445,142.59 × 177,358.34
  4. Step 4: Simplify right side
    322,560.09x = 78,949,751,495.16
  5. Step 5: Solve for x
    x = 78,949,751,495.16/322,560.09
  6. Step 6: Final answer
    x = 244,759.83

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1.5x scale

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.