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Finding the Fourth Proportional to 324,777.60, 486,777.60 and 166,924.80

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Solution

The fourth proportional to 324,777.60, 486,777.60 and 166,924.80 is: 250,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,777.60 : 486,777.60 = 166,924.80 : x
  2. Step 2: Convert to fraction form
    324,777.60/486,777.60 = 166,924.80/x
  3. Step 3: Cross multiply
    324,777.60x = 486,777.60 × 166,924.80
  4. Step 4: Simplify right side
    324,777.60x = 81,255,253,524.48
  5. Step 5: Solve for x
    x = 81,255,253,524.48/324,777.60
  6. Step 6: Final answer
    x = 250,187.37

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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.