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Finding the Fourth Proportional to 324,229.92, 486,082.44 and 124,448.28

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Solution

The fourth proportional to 324,229.92, 486,082.44 and 124,448.28 is: 186,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,229.92 : 486,082.44 = 124,448.28 : x
  2. Step 2: Convert to fraction form
    324,229.92/486,082.44 = 124,448.28/x
  3. Step 3: Cross multiply
    324,229.92x = 486,082.44 × 124,448.28
  4. Step 4: Simplify right side
    324,229.92x = 60,492,123,596.20
  5. Step 5: Solve for x
    x = 60,492,123,596.20/324,229.92
  6. Step 6: Final answer
    x = 186,571.69

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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.