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Finding the Fourth Proportional to 330,932.96, 496,053.84 and 162,219.68

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Solution

The fourth proportional to 330,932.96, 496,053.84 and 162,219.68 is: 243,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,932.96 : 496,053.84 = 162,219.68 : x
  2. Step 2: Convert to fraction form
    330,932.96/496,053.84 = 162,219.68/x
  3. Step 3: Cross multiply
    330,932.96x = 496,053.84 × 162,219.68
  4. Step 4: Simplify right side
    330,932.96x = 80,469,695,187.57
  5. Step 5: Solve for x
    x = 80,469,695,187.57/330,932.96
  6. Step 6: Final answer
    x = 243,160.11

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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.