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Finding the Fourth Proportional to 322,501.72, 445,057.65 and 177,313.63

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Solution

The fourth proportional to 322,501.72, 445,057.65 and 177,313.63 is: 244,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,501.72 : 445,057.65 = 177,313.63 : x
  2. Step 2: Convert to fraction form
    322,501.72/445,057.65 = 177,313.63/x
  3. Step 3: Cross multiply
    322,501.72x = 445,057.65 × 177,313.63
  4. Step 4: Simplify right side
    322,501.72x = 78,914,787,480.77
  5. Step 5: Solve for x
    x = 78,914,787,480.77/322,501.72
  6. Step 6: Final answer
    x = 244,695.71

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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.