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Finding the Fourth Proportional to 394,654.28, 544,494.15 and 241,533.09

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Solution

The fourth proportional to 394,654.28, 544,494.15 and 241,533.09 is: 333,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,654.28 : 544,494.15 = 241,533.09 : x
  2. Step 2: Convert to fraction form
    394,654.28/544,494.15 = 241,533.09/x
  3. Step 3: Cross multiply
    394,654.28x = 544,494.15 × 241,533.09
  4. Step 4: Simplify right side
    394,654.28x = 131,513,354,536.42
  5. Step 5: Solve for x
    x = 131,513,354,536.42/394,654.28
  6. Step 6: Final answer
    x = 333,236.87

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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.