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Finding the Fourth Proportional to 324,375.77, 447,483.27 and 203,456.54

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Solution

The fourth proportional to 324,375.77, 447,483.27 and 203,456.54 is: 280,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,375.77 : 447,483.27 = 203,456.54 : x
  2. Step 2: Convert to fraction form
    324,375.77/447,483.27 = 203,456.54/x
  3. Step 3: Cross multiply
    324,375.77x = 447,483.27 × 203,456.54
  4. Step 4: Simplify right side
    324,375.77x = 91,043,397,822.09
  5. Step 5: Solve for x
    x = 91,043,397,822.09/324,375.77
  6. Step 6: Final answer
    x = 280,672.62

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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.