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Finding the Fourth Proportional to 363,701.80, 501,908.49 and 202,556.85

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Solution

The fourth proportional to 363,701.80, 501,908.49 and 202,556.85 is: 279,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,701.80 : 501,908.49 = 202,556.85 : x
  2. Step 2: Convert to fraction form
    363,701.80/501,908.49 = 202,556.85/x
  3. Step 3: Cross multiply
    363,701.80x = 501,908.49 × 202,556.85
  4. Step 4: Simplify right side
    363,701.80x = 101,665,001,709.87
  5. Step 5: Solve for x
    x = 101,665,001,709.87/363,701.80
  6. Step 6: Final answer
    x = 279,528.45

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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.