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Finding the Fourth Proportional to 541,861.68, 747,761.22 and 300,143.46

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Solution

The fourth proportional to 541,861.68, 747,761.22 and 300,143.46 is: 414,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,861.68 : 747,761.22 = 300,143.46 : x
  2. Step 2: Convert to fraction form
    541,861.68/747,761.22 = 300,143.46/x
  3. Step 3: Cross multiply
    541,861.68x = 747,761.22 × 300,143.46
  4. Step 4: Simplify right side
    541,861.68x = 224,435,639,824.62
  5. Step 5: Solve for x
    x = 224,435,639,824.62/541,861.68
  6. Step 6: Final answer
    x = 414,193.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.