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Finding the Fourth Proportional to 550,296, 759,408.80 and 324,080.96

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Solution

The fourth proportional to 550,296, 759,408.80 and 324,080.96 is: 447,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,296 : 759,408.80 = 324,080.96 : x
  2. Step 2: Convert to fraction form
    550,296/759,408.80 = 324,080.96/x
  3. Step 3: Cross multiply
    550,296x = 759,408.80 × 324,080.96
  4. Step 4: Simplify right side
    550,296x = 246,109,932,936.45
  5. Step 5: Solve for x
    x = 246,109,932,936.45/550,296
  6. Step 6: Final answer
    x = 447,231.91

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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.