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Finding the Fourth Proportional to 330,900.74, 496,162.79 and 225,846.98

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Solution

The fourth proportional to 330,900.74, 496,162.79 and 225,846.98 is: 338,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,900.74 : 496,162.79 = 225,846.98 : x
  2. Step 2: Convert to fraction form
    330,900.74/496,162.79 = 225,846.98/x
  3. Step 3: Cross multiply
    330,900.74x = 496,162.79 × 225,846.98
  4. Step 4: Simplify right side
    330,900.74x = 112,056,867,709.87
  5. Step 5: Solve for x
    x = 112,056,867,709.87/330,900.74
  6. Step 6: Final answer
    x = 338,641.94

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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.