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Finding the Fourth Proportional to 582,904.20, 874,745.10 and 267,198.60

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Solution

The fourth proportional to 582,904.20, 874,745.10 and 267,198.60 is: 400,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,904.20 : 874,745.10 = 267,198.60 : x
  2. Step 2: Convert to fraction form
    582,904.20/874,745.10 = 267,198.60/x
  3. Step 3: Cross multiply
    582,904.20x = 874,745.10 × 267,198.60
  4. Step 4: Simplify right side
    582,904.20x = 233,730,666,076.86
  5. Step 5: Solve for x
    x = 233,730,666,076.86/582,904.20
  6. Step 6: Final answer
    x = 400,976.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.