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Finding the Fourth Proportional to 324,976.28, 448,453.79 and 177,800.42

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Solution

The fourth proportional to 324,976.28, 448,453.79 and 177,800.42 is: 245,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,976.28 : 448,453.79 = 177,800.42 : x
  2. Step 2: Convert to fraction form
    324,976.28/448,453.79 = 177,800.42/x
  3. Step 3: Cross multiply
    324,976.28x = 448,453.79 × 177,800.42
  4. Step 4: Simplify right side
    324,976.28x = 79,735,269,081.32
  5. Step 5: Solve for x
    x = 79,735,269,081.32/324,976.28
  6. Step 6: Final answer
    x = 245,357.20

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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.