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Finding the Fourth Proportional to 324,696.96, 486,816.48 and 124,849.44

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Solution

The fourth proportional to 324,696.96, 486,816.48 and 124,849.44 is: 187,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,696.96 : 486,816.48 = 124,849.44 : x
  2. Step 2: Convert to fraction form
    324,696.96/486,816.48 = 124,849.44/x
  3. Step 3: Cross multiply
    324,696.96x = 486,816.48 × 124,849.44
  4. Step 4: Simplify right side
    324,696.96x = 60,778,764,910.77
  5. Step 5: Solve for x
    x = 60,778,764,910.77/324,696.96
  6. Step 6: Final answer
    x = 187,186.12

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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.