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Finding the Fourth Proportional to 376,531.20, 565,234.20 and 226,940.40

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Solution

The fourth proportional to 376,531.20, 565,234.20 and 226,940.40 is: 340,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,531.20 : 565,234.20 = 226,940.40 : x
  2. Step 2: Convert to fraction form
    376,531.20/565,234.20 = 226,940.40/x
  3. Step 3: Cross multiply
    376,531.20x = 565,234.20 × 226,940.40
  4. Step 4: Simplify right side
    376,531.20x = 128,274,475,441.68
  5. Step 5: Solve for x
    x = 128,274,475,441.68/376,531.20
  6. Step 6: Final answer
    x = 340,674.23

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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.