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Finding the Fourth Proportional to 482,697.59, 666,127.26 and 267,857.64

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Solution

The fourth proportional to 482,697.59, 666,127.26 and 267,857.64 is: 369,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,697.59 : 666,127.26 = 267,857.64 : x
  2. Step 2: Convert to fraction form
    482,697.59/666,127.26 = 267,857.64/x
  3. Step 3: Cross multiply
    482,697.59x = 666,127.26 × 267,857.64
  4. Step 4: Simplify right side
    482,697.59x = 178,427,275,803.27
  5. Step 5: Solve for x
    x = 178,427,275,803.27/482,697.59
  6. Step 6: Final answer
    x = 369,646.09

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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.