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Finding the Fourth Proportional to 325,087.88, 487,299.36 and 111,791.84

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Solution

The fourth proportional to 325,087.88, 487,299.36 and 111,791.84 is: 167,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,087.88 : 487,299.36 = 111,791.84 : x
  2. Step 2: Convert to fraction form
    325,087.88/487,299.36 = 111,791.84/x
  3. Step 3: Cross multiply
    325,087.88x = 487,299.36 × 111,791.84
  4. Step 4: Simplify right side
    325,087.88x = 54,476,092,085.22
  5. Step 5: Solve for x
    x = 54,476,092,085.22/325,087.88
  6. Step 6: Final answer
    x = 167,573.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.