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Finding the Fourth Proportional to 324,792.96, 486,960.48 and 124,945.44

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Solution

The fourth proportional to 324,792.96, 486,960.48 and 124,945.44 is: 187,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,792.96 : 486,960.48 = 124,945.44 : x
  2. Step 2: Convert to fraction form
    324,792.96/486,960.48 = 124,945.44/x
  3. Step 3: Cross multiply
    324,792.96x = 486,960.48 × 124,945.44
  4. Step 4: Simplify right side
    324,792.96x = 60,843,491,436.21
  5. Step 5: Solve for x
    x = 60,843,491,436.21/324,792.96
  6. Step 6: Final answer
    x = 187,330.08

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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.