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Finding the Fourth Proportional to 482,458.44, 665,872.36 and 267,667.70

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Solution

The fourth proportional to 482,458.44, 665,872.36 and 267,667.70 is: 369,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,458.44 : 665,872.36 = 267,667.70 : x
  2. Step 2: Convert to fraction form
    482,458.44/665,872.36 = 267,667.70/x
  3. Step 3: Cross multiply
    482,458.44x = 665,872.36 × 267,667.70
  4. Step 4: Simplify right side
    482,458.44x = 178,232,523,094.77
  5. Step 5: Solve for x
    x = 178,232,523,094.77/482,458.44
  6. Step 6: Final answer
    x = 369,425.65

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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.