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Finding the Fourth Proportional to 363,905.84, 502,183.40 and 202,757.43

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Solution

The fourth proportional to 363,905.84, 502,183.40 and 202,757.43 is: 279,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,905.84 : 502,183.40 = 202,757.43 : x
  2. Step 2: Convert to fraction form
    363,905.84/502,183.40 = 202,757.43/x
  3. Step 3: Cross multiply
    363,905.84x = 502,183.40 × 202,757.43
  4. Step 4: Simplify right side
    363,905.84x = 101,821,415,572.66
  5. Step 5: Solve for x
    x = 101,821,415,572.66/363,905.84
  6. Step 6: Final answer
    x = 279,801.54

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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.