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Finding the Fourth Proportional to 324,217.94, 486,350.24 and 124,538.33

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Solution

The fourth proportional to 324,217.94, 486,350.24 and 124,538.33 is: 186,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,217.94 : 486,350.24 = 124,538.33 : x
  2. Step 2: Convert to fraction form
    324,217.94/486,350.24 = 124,538.33/x
  3. Step 3: Cross multiply
    324,217.94x = 486,350.24 × 124,538.33
  4. Step 4: Simplify right side
    324,217.94x = 60,569,247,277.88
  5. Step 5: Solve for x
    x = 60,569,247,277.88/324,217.94
  6. Step 6: Final answer
    x = 186,816.46

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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.