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Finding the Fourth Proportional to 482,706.68, 666,136.31 and 267,847.29

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Solution

The fourth proportional to 482,706.68, 666,136.31 and 267,847.29 is: 369,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,706.68 : 666,136.31 = 267,847.29 : x
  2. Step 2: Convert to fraction form
    482,706.68/666,136.31 = 267,847.29/x
  3. Step 3: Cross multiply
    482,706.68x = 666,136.31 × 267,847.29
  4. Step 4: Simplify right side
    482,706.68x = 178,422,804,064.86
  5. Step 5: Solve for x
    x = 178,422,804,064.86/482,706.68
  6. Step 6: Final answer
    x = 369,629.87

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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.