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Finding the Fourth Proportional to 350,512.88, 483,707.16 and 189,367.43

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Solution

The fourth proportional to 350,512.88, 483,707.16 and 189,367.43 is: 261,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,512.88 : 483,707.16 = 189,367.43 : x
  2. Step 2: Convert to fraction form
    350,512.88/483,707.16 = 189,367.43/x
  3. Step 3: Cross multiply
    350,512.88x = 483,707.16 × 189,367.43
  4. Step 4: Simplify right side
    350,512.88x = 91,598,379,343.26
  5. Step 5: Solve for x
    x = 91,598,379,343.26/350,512.88
  6. Step 6: Final answer
    x = 261,326.72

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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.