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Finding the Fourth Proportional to 482,563.86, 665,936.09 and 267,703.92

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Solution

The fourth proportional to 482,563.86, 665,936.09 and 267,703.92 is: 369,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,563.86 : 665,936.09 = 267,703.92 : x
  2. Step 2: Convert to fraction form
    482,563.86/665,936.09 = 267,703.92/x
  3. Step 3: Cross multiply
    482,563.86x = 665,936.09 × 267,703.92
  4. Step 4: Simplify right side
    482,563.86x = 178,273,702,431.73
  5. Step 5: Solve for x
    x = 178,273,702,431.73/482,563.86
  6. Step 6: Final answer
    x = 369,430.28

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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.