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Finding the Fourth Proportional to 322,588.34, 445,183.09 and 177,400.06

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Solution

The fourth proportional to 322,588.34, 445,183.09 and 177,400.06 is: 244,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,588.34 : 445,183.09 = 177,400.06 : x
  2. Step 2: Convert to fraction form
    322,588.34/445,183.09 = 177,400.06/x
  3. Step 3: Cross multiply
    322,588.34x = 445,183.09 × 177,400.06
  4. Step 4: Simplify right side
    322,588.34x = 78,975,505,320.53
  5. Step 5: Solve for x
    x = 78,975,505,320.53/322,588.34
  6. Step 6: Final answer
    x = 244,818.23

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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.