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Finding the Fourth Proportional to 482,388.28, 665,735.68 and 267,597.60

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Solution

The fourth proportional to 482,388.28, 665,735.68 and 267,597.60 is: 369,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,388.28 : 665,735.68 = 267,597.60 : x
  2. Step 2: Convert to fraction form
    482,388.28/665,735.68 = 267,597.60/x
  3. Step 3: Cross multiply
    482,388.28x = 665,735.68 × 267,597.60
  4. Step 4: Simplify right side
    482,388.28x = 178,149,270,202.37
  5. Step 5: Solve for x
    x = 178,149,270,202.37/482,388.28
  6. Step 6: Final answer
    x = 369,306.80

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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.