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Finding the Fourth Proportional to 482,087.80, 665,211.30 and 267,227.80

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Solution

The fourth proportional to 482,087.80, 665,211.30 and 267,227.80 is: 368,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,087.80 : 665,211.30 = 267,227.80 : x
  2. Step 2: Convert to fraction form
    482,087.80/665,211.30 = 267,227.80/x
  3. Step 3: Cross multiply
    482,087.80x = 665,211.30 × 267,227.80
  4. Step 4: Simplify right side
    482,087.80x = 177,762,952,234.14
  5. Step 5: Solve for x
    x = 177,762,952,234.14/482,087.80
  6. Step 6: Final answer
    x = 368,735.64

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1.5x scale

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.