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Finding the Fourth Proportional to 324,783.60, 486,786.60 and 166,930.80

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Solution

The fourth proportional to 324,783.60, 486,786.60 and 166,930.80 is: 250,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,783.60 : 486,786.60 = 166,930.80 : x
  2. Step 2: Convert to fraction form
    324,783.60/486,786.60 = 166,930.80/x
  3. Step 3: Cross multiply
    324,783.60x = 486,786.60 × 166,930.80
  4. Step 4: Simplify right side
    324,783.60x = 81,259,676,567.28
  5. Step 5: Solve for x
    x = 81,259,676,567.28/324,783.60
  6. Step 6: Final answer
    x = 250,196.37

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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.