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Finding the Fourth Proportional to 324,111.96, 485,336.34 and 224,134.20

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Solution

The fourth proportional to 324,111.96, 485,336.34 and 224,134.20 is: 335,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,111.96 : 485,336.34 = 224,134.20 : x
  2. Step 2: Convert to fraction form
    324,111.96/485,336.34 = 224,134.20/x
  3. Step 3: Cross multiply
    324,111.96x = 485,336.34 × 224,134.20
  4. Step 4: Simplify right side
    324,111.96x = 108,780,472,296.83
  5. Step 5: Solve for x
    x = 108,780,472,296.83/324,111.96
  6. Step 6: Final answer
    x = 335,626.22

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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.