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Finding the Fourth Proportional to 324,609.64, 447,984.48 and 179,412.31

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Solution

The fourth proportional to 324,609.64, 447,984.48 and 179,412.31 is: 247,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,609.64 : 447,984.48 = 179,412.31 : x
  2. Step 2: Convert to fraction form
    324,609.64/447,984.48 = 179,412.31/x
  3. Step 3: Cross multiply
    324,609.64x = 447,984.48 × 179,412.31
  4. Step 4: Simplify right side
    324,609.64x = 80,373,930,400.95
  5. Step 5: Solve for x
    x = 80,373,930,400.95/324,609.64
  6. Step 6: Final answer
    x = 247,601.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.