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Finding the Fourth Proportional to 362,230.30, 543,345.45 and 220,512.70

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Solution

The fourth proportional to 362,230.30, 543,345.45 and 220,512.70 is: 330,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,230.30 : 543,345.45 = 220,512.70 : x
  2. Step 2: Convert to fraction form
    362,230.30/543,345.45 = 220,512.70/x
  3. Step 3: Cross multiply
    362,230.30x = 543,345.45 × 220,512.70
  4. Step 4: Simplify right side
    362,230.30x = 119,814,572,212.22
  5. Step 5: Solve for x
    x = 119,814,572,212.22/362,230.30
  6. Step 6: Final answer
    x = 330,769.05

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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.