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Finding the Fourth Proportional to 449,223.44, 619,704.54 and 267,807.53

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Solution

The fourth proportional to 449,223.44, 619,704.54 and 267,807.53 is: 369,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,223.44 : 619,704.54 = 267,807.53 : x
  2. Step 2: Convert to fraction form
    449,223.44/619,704.54 = 267,807.53/x
  3. Step 3: Cross multiply
    449,223.44x = 619,704.54 × 267,807.53
  4. Step 4: Simplify right side
    449,223.44x = 165,961,543,736.45
  5. Step 5: Solve for x
    x = 165,961,543,736.45/449,223.44
  6. Step 6: Final answer
    x = 369,440.97

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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.