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Finding the Fourth Proportional to 324,343.75, 447,591.69 and 177,168.73

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Solution

The fourth proportional to 324,343.75, 447,591.69 and 177,168.73 is: 244,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,343.75 : 447,591.69 = 177,168.73 : x
  2. Step 2: Convert to fraction form
    324,343.75/447,591.69 = 177,168.73/x
  3. Step 3: Cross multiply
    324,343.75x = 447,591.69 × 177,168.73
  4. Step 4: Simplify right side
    324,343.75x = 79,299,249,037.90
  5. Step 5: Solve for x
    x = 79,299,249,037.90/324,343.75
  6. Step 6: Final answer
    x = 244,491.38

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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.