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Finding the Fourth Proportional to 447,330.80, 670,996.20 and 166,833.20

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Solution

The fourth proportional to 447,330.80, 670,996.20 and 166,833.20 is: 250,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,330.80 : 670,996.20 = 166,833.20 : x
  2. Step 2: Convert to fraction form
    447,330.80/670,996.20 = 166,833.20/x
  3. Step 3: Cross multiply
    447,330.80x = 670,996.20 × 166,833.20
  4. Step 4: Simplify right side
    447,330.80x = 111,944,443,233.84
  5. Step 5: Solve for x
    x = 111,944,443,233.84/447,330.80
  6. Step 6: Final answer
    x = 250,249.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.