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Finding the Fourth Proportional to 363,489.54, 501,862.48 and 227,578.43

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Solution

The fourth proportional to 363,489.54, 501,862.48 and 227,578.43 is: 314,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,489.54 : 501,862.48 = 227,578.43 : x
  2. Step 2: Convert to fraction form
    363,489.54/501,862.48 = 227,578.43/x
  3. Step 3: Cross multiply
    363,489.54x = 501,862.48 × 227,578.43
  4. Step 4: Simplify right side
    363,489.54x = 114,213,075,274.31
  5. Step 5: Solve for x
    x = 114,213,075,274.31/363,489.54
  6. Step 6: Final answer
    x = 314,212.83

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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.