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Finding the Fourth Proportional to 324,064.40, 486,096.60 and 204,490.18

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Solution

The fourth proportional to 324,064.40, 486,096.60 and 204,490.18 is: 306,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,064.40 : 486,096.60 = 204,490.18 : x
  2. Step 2: Convert to fraction form
    324,064.40/486,096.60 = 204,490.18/x
  3. Step 3: Cross multiply
    324,064.40x = 486,096.60 × 204,490.18
  4. Step 4: Simplify right side
    324,064.40x = 99,401,981,231.39
  5. Step 5: Solve for x
    x = 99,401,981,231.39/324,064.40
  6. Step 6: Final answer
    x = 306,735.27

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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.