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Finding the Fourth Proportional to 293,941.56, 440,832.24 and 80,658.90

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Solution

The fourth proportional to 293,941.56, 440,832.24 and 80,658.90 is: 120,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,941.56 : 440,832.24 = 80,658.90 : x
  2. Step 2: Convert to fraction form
    293,941.56/440,832.24 = 80,658.90/x
  3. Step 3: Cross multiply
    293,941.56x = 440,832.24 × 80,658.90
  4. Step 4: Simplify right side
    293,941.56x = 35,557,043,562.94
  5. Step 5: Solve for x
    x = 35,557,043,562.94/293,941.56
  6. Step 6: Final answer
    x = 120,966.37

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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.