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Finding the Fourth Proportional to 293,803.20, 440,704.80 and 267,998.40

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Solution

The fourth proportional to 293,803.20, 440,704.80 and 267,998.40 is: 401,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,803.20 : 440,704.80 = 267,998.40 : x
  2. Step 2: Convert to fraction form
    293,803.20/440,704.80 = 267,998.40/x
  3. Step 3: Cross multiply
    293,803.20x = 440,704.80 × 267,998.40
  4. Step 4: Simplify right side
    293,803.20x = 118,108,181,272.32
  5. Step 5: Solve for x
    x = 118,108,181,272.32/293,803.20
  6. Step 6: Final answer
    x = 401,997.60

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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.