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Finding the Fourth Proportional to 339,333.93, 467,965.86 and 218,261.61

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Solution

The fourth proportional to 339,333.93, 467,965.86 and 218,261.61 is: 300,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,333.93 : 467,965.86 = 218,261.61 : x
  2. Step 2: Convert to fraction form
    339,333.93/467,965.86 = 218,261.61/x
  3. Step 3: Cross multiply
    339,333.93x = 467,965.86 × 218,261.61
  4. Step 4: Simplify right side
    339,333.93x = 102,138,982,028.64
  5. Step 5: Solve for x
    x = 102,138,982,028.64/339,333.93
  6. Step 6: Final answer
    x = 300,998.44

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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.