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Finding the Fourth Proportional to 468,941.72, 647,124.50 and 267,737.72

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Solution

The fourth proportional to 468,941.72, 647,124.50 and 267,737.72 is: 369,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,941.72 : 647,124.50 = 267,737.72 : x
  2. Step 2: Convert to fraction form
    468,941.72/647,124.50 = 267,737.72/x
  3. Step 3: Cross multiply
    468,941.72x = 647,124.50 × 267,737.72
  4. Step 4: Simplify right side
    468,941.72x = 173,259,638,186.14
  5. Step 5: Solve for x
    x = 173,259,638,186.14/468,941.72
  6. Step 6: Final answer
    x = 369,469.45

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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.