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Finding the Fourth Proportional to 482,697.34, 666,126.92 and 267,857.39

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Solution

The fourth proportional to 482,697.34, 666,126.92 and 267,857.39 is: 369,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,697.34 : 666,126.92 = 267,857.39 : x
  2. Step 2: Convert to fraction form
    482,697.34/666,126.92 = 267,857.39/x
  3. Step 3: Cross multiply
    482,697.34x = 666,126.92 × 267,857.39
  4. Step 4: Simplify right side
    482,697.34x = 178,427,018,199.94
  5. Step 5: Solve for x
    x = 178,427,018,199.94/482,697.34
  6. Step 6: Final answer
    x = 369,645.75

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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.