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Finding the Fourth Proportional to 297,249.84, 445,612.32 and 227,440.80

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Solution

The fourth proportional to 297,249.84, 445,612.32 and 227,440.80 is: 340,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,249.84 : 445,612.32 = 227,440.80 : x
  2. Step 2: Convert to fraction form
    297,249.84/445,612.32 = 227,440.80/x
  3. Step 3: Cross multiply
    297,249.84x = 445,612.32 × 227,440.80
  4. Step 4: Simplify right side
    297,249.84x = 101,350,422,550.66
  5. Step 5: Solve for x
    x = 101,350,422,550.66/297,249.84
  6. Step 6: Final answer
    x = 340,960.39

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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.