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Finding the Fourth Proportional to 363,708.73, 501,933.56 and 202,563.78

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Solution

The fourth proportional to 363,708.73, 501,933.56 and 202,563.78 is: 279,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,708.73 : 501,933.56 = 202,563.78 : x
  2. Step 2: Convert to fraction form
    363,708.73/501,933.56 = 202,563.78/x
  3. Step 3: Cross multiply
    363,708.73x = 501,933.56 × 202,563.78
  4. Step 4: Simplify right side
    363,708.73x = 101,673,559,222.46
  5. Step 5: Solve for x
    x = 101,673,559,222.46/363,708.73
  6. Step 6: Final answer
    x = 279,546.66

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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.