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Finding the Fourth Proportional to 299,423.60, 446,843.87 and 267,474.87

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Solution

The fourth proportional to 299,423.60, 446,843.87 and 267,474.87 is: 399,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,423.60 : 446,843.87 = 267,474.87 : x
  2. Step 2: Convert to fraction form
    299,423.60/446,843.87 = 267,474.87/x
  3. Step 3: Cross multiply
    299,423.60x = 446,843.87 × 267,474.87
  4. Step 4: Simplify right side
    299,423.60x = 119,519,505,704.20
  5. Step 5: Solve for x
    x = 119,519,505,704.20/299,423.60
  6. Step 6: Final answer
    x = 399,165.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.