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Finding the Fourth Proportional to 325,693.33, 490,758.65 and 267,825.31

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Solution

The fourth proportional to 325,693.33, 490,758.65 and 267,825.31 is: 403,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,693.33 : 490,758.65 = 267,825.31 : x
  2. Step 2: Convert to fraction form
    325,693.33/490,758.65 = 267,825.31/x
  3. Step 3: Cross multiply
    325,693.33x = 490,758.65 × 267,825.31
  4. Step 4: Simplify right side
    325,693.33x = 131,437,587,571.43
  5. Step 5: Solve for x
    x = 131,437,587,571.43/325,693.33
  6. Step 6: Final answer
    x = 403,562.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.