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Finding the Fourth Proportional to 482,851.78, 666,366.59 and 267,991.85

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Solution

The fourth proportional to 482,851.78, 666,366.59 and 267,991.85 is: 369,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,851.78 : 666,366.59 = 267,991.85 : x
  2. Step 2: Convert to fraction form
    482,851.78/666,366.59 = 267,991.85/x
  3. Step 3: Cross multiply
    482,851.78x = 666,366.59 × 267,991.85
  4. Step 4: Simplify right side
    482,851.78x = 178,580,813,892.33
  5. Step 5: Solve for x
    x = 178,580,813,892.33/482,851.78
  6. Step 6: Final answer
    x = 369,846.03

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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.