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Finding the Fourth Proportional to 362,225.20, 543,337.80 and 326,795.80

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Solution

The fourth proportional to 362,225.20, 543,337.80 and 326,795.80 is: 490,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,225.20 : 543,337.80 = 326,795.80 : x
  2. Step 2: Convert to fraction form
    362,225.20/543,337.80 = 326,795.80/x
  3. Step 3: Cross multiply
    362,225.20x = 543,337.80 × 326,795.80
  4. Step 4: Simplify right side
    362,225.20x = 177,560,511,021.24
  5. Step 5: Solve for x
    x = 177,560,511,021.24/362,225.20
  6. Step 6: Final answer
    x = 490,193.70

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Similar ratio
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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.