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Finding the Fourth Proportional to 482,697.09, 666,126.57 and 267,857.14

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Solution

The fourth proportional to 482,697.09, 666,126.57 and 267,857.14 is: 369,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,697.09 : 666,126.57 = 267,857.14 : x
  2. Step 2: Convert to fraction form
    482,697.09/666,126.57 = 267,857.14/x
  3. Step 3: Cross multiply
    482,697.09x = 666,126.57 × 267,857.14
  4. Step 4: Simplify right side
    482,697.09x = 178,426,757,918.21
  5. Step 5: Solve for x
    x = 178,426,757,918.21/482,697.09
  6. Step 6: Final answer
    x = 369,645.40

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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.