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Finding the Fourth Proportional to 324,558.90, 486,723.15 and 224,718.90

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Solution

The fourth proportional to 324,558.90, 486,723.15 and 224,718.90 is: 336,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,558.90 : 486,723.15 = 224,718.90 : x
  2. Step 2: Convert to fraction form
    324,558.90/486,723.15 = 224,718.90/x
  3. Step 3: Cross multiply
    324,558.90x = 486,723.15 × 224,718.90
  4. Step 4: Simplify right side
    324,558.90x = 109,375,890,872.54
  5. Step 5: Solve for x
    x = 109,375,890,872.54/324,558.90
  6. Step 6: Final answer
    x = 336,998.59

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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.