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Finding the Fourth Proportional to 482,696.34, 666,125.54 and 267,856.39

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Solution

The fourth proportional to 482,696.34, 666,125.54 and 267,856.39 is: 369,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,696.34 : 666,125.54 = 267,856.39 : x
  2. Step 2: Convert to fraction form
    482,696.34/666,125.54 = 267,856.39/x
  3. Step 3: Cross multiply
    482,696.34x = 666,125.54 × 267,856.39
  4. Step 4: Simplify right side
    482,696.34x = 178,425,982,431.20
  5. Step 5: Solve for x
    x = 178,425,982,431.20/482,696.34
  6. Step 6: Final answer
    x = 369,644.37

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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.