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Finding the Fourth Proportional to 330,910.74, 496,194.36 and 162,357.30

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Solution

The fourth proportional to 330,910.74, 496,194.36 and 162,357.30 is: 243,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,910.74 : 496,194.36 = 162,357.30 : x
  2. Step 2: Convert to fraction form
    330,910.74/496,194.36 = 162,357.30/x
  3. Step 3: Cross multiply
    330,910.74x = 496,194.36 × 162,357.30
  4. Step 4: Simplify right side
    330,910.74x = 80,560,776,564.83
  5. Step 5: Solve for x
    x = 80,560,776,564.83/330,910.74
  6. Step 6: Final answer
    x = 243,451.68

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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.