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Finding the Fourth Proportional to 324,406.58, 486,609.80 and 236,221.27

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Solution

The fourth proportional to 324,406.58, 486,609.80 and 236,221.27 is: 354,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,406.58 : 486,609.80 = 236,221.27 : x
  2. Step 2: Convert to fraction form
    324,406.58/486,609.80 = 236,221.27/x
  3. Step 3: Cross multiply
    324,406.58x = 486,609.80 × 236,221.27
  4. Step 4: Simplify right side
    324,406.58x = 114,947,582,552.82
  5. Step 5: Solve for x
    x = 114,947,582,552.82/324,406.58
  6. Step 6: Final answer
    x = 354,331.85

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Similar ratio
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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.