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Finding the Fourth Proportional to 324,863.28, 486,792.36 and 225,218.16

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Solution

The fourth proportional to 324,863.28, 486,792.36 and 225,218.16 is: 337,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,863.28 : 486,792.36 = 225,218.16 : x
  2. Step 2: Convert to fraction form
    324,863.28/486,792.36 = 225,218.16/x
  3. Step 3: Cross multiply
    324,863.28x = 486,792.36 × 225,218.16
  4. Step 4: Simplify right side
    324,863.28x = 109,634,479,621.26
  5. Step 5: Solve for x
    x = 109,634,479,621.26/324,863.28
  6. Step 6: Final answer
    x = 337,478.83

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1.5x scale

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.