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Finding the Fourth Proportional to 482,630.42, 666,109.46 and 267,839.68

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Solution

The fourth proportional to 482,630.42, 666,109.46 and 267,839.68 is: 369,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,630.42 : 666,109.46 = 267,839.68 : x
  2. Step 2: Convert to fraction form
    482,630.42/666,109.46 = 267,839.68/x
  3. Step 3: Cross multiply
    482,630.42x = 666,109.46 × 267,839.68
  4. Step 4: Simplify right side
    482,630.42x = 178,410,543,358.06
  5. Step 5: Solve for x
    x = 178,410,543,358.06/482,630.42
  6. Step 6: Final answer
    x = 369,662.87

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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.