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Finding the Fourth Proportional to 324,593.60, 486,890.40 and 225,060.80

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Solution

The fourth proportional to 324,593.60, 486,890.40 and 225,060.80 is: 337,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,593.60 : 486,890.40 = 225,060.80 : x
  2. Step 2: Convert to fraction form
    324,593.60/486,890.40 = 225,060.80/x
  3. Step 3: Cross multiply
    324,593.60x = 486,890.40 × 225,060.80
  4. Step 4: Simplify right side
    324,593.60x = 109,579,942,936.32
  5. Step 5: Solve for x
    x = 109,579,942,936.32/324,593.60
  6. Step 6: Final answer
    x = 337,591.20

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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.