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Finding the Fourth Proportional to 449,052.52, 619,772.34 and 267,776.44

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Solution

The fourth proportional to 449,052.52, 619,772.34 and 267,776.44 is: 369,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,052.52 : 619,772.34 = 267,776.44 : x
  2. Step 2: Convert to fraction form
    449,052.52/619,772.34 = 267,776.44/x
  3. Step 3: Cross multiply
    449,052.52x = 619,772.34 × 267,776.44
  4. Step 4: Simplify right side
    449,052.52x = 165,960,430,815.67
  5. Step 5: Solve for x
    x = 165,960,430,815.67/449,052.52
  6. Step 6: Final answer
    x = 369,579.11

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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.