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Finding the Fourth Proportional to 330,842.70, 496,592.10 and 162,553.05

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Solution

The fourth proportional to 330,842.70, 496,592.10 and 162,553.05 is: 243,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,842.70 : 496,592.10 = 162,553.05 : x
  2. Step 2: Convert to fraction form
    330,842.70/496,592.10 = 162,553.05/x
  3. Step 3: Cross multiply
    330,842.70x = 496,592.10 × 162,553.05
  4. Step 4: Simplify right side
    330,842.70x = 80,722,560,460.91
  5. Step 5: Solve for x
    x = 80,722,560,460.91/330,842.70
  6. Step 6: Final answer
    x = 243,990.76

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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.