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Finding the Fourth Proportional to 482,409.14, 665,765.46 and 267,618.38

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Solution

The fourth proportional to 482,409.14, 665,765.46 and 267,618.38 is: 369,336.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,409.14 : 665,765.46 = 267,618.38 : x
  2. Step 2: Convert to fraction form
    482,409.14/665,765.46 = 267,618.38/x
  3. Step 3: Cross multiply
    482,409.14x = 665,765.46 × 267,618.38
  4. Step 4: Simplify right side
    482,409.14x = 178,171,070,536.33
  5. Step 5: Solve for x
    x = 178,171,070,536.33/482,409.14
  6. Step 6: Final answer
    x = 369,336.02

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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.