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Finding the Fourth Proportional to 322,750.56, 445,389.06 and 177,550.24

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Solution

The fourth proportional to 322,750.56, 445,389.06 and 177,550.24 is: 245,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,750.56 : 445,389.06 = 177,550.24 : x
  2. Step 2: Convert to fraction form
    322,750.56/445,389.06 = 177,550.24/x
  3. Step 3: Cross multiply
    322,750.56x = 445,389.06 × 177,550.24
  4. Step 4: Simplify right side
    322,750.56x = 79,078,934,496.37
  5. Step 5: Solve for x
    x = 79,078,934,496.37/322,750.56
  6. Step 6: Final answer
    x = 245,015.64

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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.