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Finding the Fourth Proportional to 492,760.40, 739,140.60 and 227,039.90

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Solution

The fourth proportional to 492,760.40, 739,140.60 and 227,039.90 is: 340,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,760.40 : 739,140.60 = 227,039.90 : x
  2. Step 2: Convert to fraction form
    492,760.40/739,140.60 = 227,039.90/x
  3. Step 3: Cross multiply
    492,760.40x = 739,140.60 × 227,039.90
  4. Step 4: Simplify right side
    492,760.40x = 167,814,407,909.94
  5. Step 5: Solve for x
    x = 167,814,407,909.94/492,760.40
  6. Step 6: Final answer
    x = 340,559.85

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Similar ratio
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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.