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Finding the Fourth Proportional to 482,775.06, 666,229.95 and 267,915.27

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Solution

The fourth proportional to 482,775.06, 666,229.95 and 267,915.27 is: 369,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,775.06 : 666,229.95 = 267,915.27 : x
  2. Step 2: Convert to fraction form
    482,775.06/666,229.95 = 267,915.27/x
  3. Step 3: Cross multiply
    482,775.06x = 666,229.95 × 267,915.27
  4. Step 4: Simplify right side
    482,775.06x = 178,493,176,936.34
  5. Step 5: Solve for x
    x = 178,493,176,936.34/482,775.06
  6. Step 6: Final answer
    x = 369,723.28

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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.