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Finding the Fourth Proportional to 362,229.30, 543,343.95 and 220,511.70

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Solution

The fourth proportional to 362,229.30, 543,343.95 and 220,511.70 is: 330,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,229.30 : 543,343.95 = 220,511.70 : x
  2. Step 2: Convert to fraction form
    362,229.30/543,343.95 = 220,511.70/x
  3. Step 3: Cross multiply
    362,229.30x = 543,343.95 × 220,511.70
  4. Step 4: Simplify right side
    362,229.30x = 119,813,698,099.22
  5. Step 5: Solve for x
    x = 119,813,698,099.22/362,229.30
  6. Step 6: Final answer
    x = 330,767.55

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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.