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Finding the Fourth Proportional to 541,591.67, 747,438.58 and 299,896.73

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Solution

The fourth proportional to 541,591.67, 747,438.58 and 299,896.73 is: 413,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,591.67 : 747,438.58 = 299,896.73 : x
  2. Step 2: Convert to fraction form
    541,591.67/747,438.58 = 299,896.73/x
  3. Step 3: Cross multiply
    541,591.67x = 747,438.58 × 299,896.73
  4. Step 4: Simplify right side
    541,591.67x = 224,154,381,530.91
  5. Step 5: Solve for x
    x = 224,154,381,530.91/541,591.67
  6. Step 6: Final answer
    x = 413,880.78

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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.