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Finding the Fourth Proportional to 482,635.75, 666,037.42 and 267,775.31

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Solution

The fourth proportional to 482,635.75, 666,037.42 and 267,775.31 is: 369,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,635.75 : 666,037.42 = 267,775.31 : x
  2. Step 2: Convert to fraction form
    482,635.75/666,037.42 = 267,775.31/x
  3. Step 3: Cross multiply
    482,635.75x = 666,037.42 × 267,775.31
  4. Step 4: Simplify right side
    482,635.75x = 178,348,376,612.10
  5. Step 5: Solve for x
    x = 178,348,376,612.10/482,635.75
  6. Step 6: Final answer
    x = 369,529.97

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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.