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Finding the Fourth Proportional to 350,512.85, 483,707.75 and 189,367.90

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Solution

The fourth proportional to 350,512.85, 483,707.75 and 189,367.90 is: 261,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,512.85 : 483,707.75 = 189,367.90 : x
  2. Step 2: Convert to fraction form
    350,512.85/483,707.75 = 189,367.90/x
  3. Step 3: Cross multiply
    350,512.85x = 483,707.75 × 189,367.90
  4. Step 4: Simplify right side
    350,512.85x = 91,598,721,100.74
  5. Step 5: Solve for x
    x = 91,598,721,100.74/350,512.85
  6. Step 6: Final answer
    x = 261,327.71

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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.