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Finding the Fourth Proportional to 231,900.80, 347,332.80 and 226,716.80

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Solution

The fourth proportional to 231,900.80, 347,332.80 and 226,716.80 is: 339,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,900.80 : 347,332.80 = 226,716.80 : x
  2. Step 2: Convert to fraction form
    231,900.80/347,332.80 = 226,716.80/x
  3. Step 3: Cross multiply
    231,900.80x = 347,332.80 × 226,716.80
  4. Step 4: Simplify right side
    231,900.80x = 78,746,180,951.04
  5. Step 5: Solve for x
    x = 78,746,180,951.04/231,900.80
  6. Step 6: Final answer
    x = 339,568.39

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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.