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Finding the Fourth Proportional to 481,900.55, 665,026.71 and 267,044.20

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Solution

The fourth proportional to 481,900.55, 665,026.71 and 267,044.20 is: 368,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,900.55 : 665,026.71 = 267,044.20 : x
  2. Step 2: Convert to fraction form
    481,900.55/665,026.71 = 267,044.20/x
  3. Step 3: Cross multiply
    481,900.55x = 665,026.71 × 267,044.20
  4. Step 4: Simplify right side
    481,900.55x = 177,591,523,086.60
  5. Step 5: Solve for x
    x = 177,591,523,086.60/481,900.55
  6. Step 6: Final answer
    x = 368,523.18

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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.