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Finding the Fourth Proportional to 324,265.54, 447,493.98 and 203,411.92

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Solution

The fourth proportional to 324,265.54, 447,493.98 and 203,411.92 is: 280,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,265.54 : 447,493.98 = 203,411.92 : x
  2. Step 2: Convert to fraction form
    324,265.54/447,493.98 = 203,411.92/x
  3. Step 3: Cross multiply
    324,265.54x = 447,493.98 × 203,411.92
  4. Step 4: Simplify right side
    324,265.54x = 91,025,609,660.24
  5. Step 5: Solve for x
    x = 91,025,609,660.24/324,265.54
  6. Step 6: Final answer
    x = 280,713.18

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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.