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Finding the Fourth Proportional to 339,009.39, 467,798.86 and 203,039.75

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Solution

The fourth proportional to 339,009.39, 467,798.86 and 203,039.75 is: 280,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,009.39 : 467,798.86 = 203,039.75 : x
  2. Step 2: Convert to fraction form
    339,009.39/467,798.86 = 203,039.75/x
  3. Step 3: Cross multiply
    339,009.39x = 467,798.86 × 203,039.75
  4. Step 4: Simplify right side
    339,009.39x = 94,981,763,584.69
  5. Step 5: Solve for x
    x = 94,981,763,584.69/339,009.39
  6. Step 6: Final answer
    x = 280,174.43

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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.