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Finding the Fourth Proportional to 363,793.71, 501,968.69 and 202,644.75

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Solution

The fourth proportional to 363,793.71, 501,968.69 and 202,644.75 is: 279,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,793.71 : 501,968.69 = 202,644.75 : x
  2. Step 2: Convert to fraction form
    363,793.71/501,968.69 = 202,644.75/x
  3. Step 3: Cross multiply
    363,793.71x = 501,968.69 × 202,644.75
  4. Step 4: Simplify right side
    363,793.71x = 101,721,319,692.88
  5. Step 5: Solve for x
    x = 101,721,319,692.88/363,793.71
  6. Step 6: Final answer
    x = 279,612.64

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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.