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Finding the Fourth Proportional to 377,198.27, 520,523.77 and 224,236.76

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Solution

The fourth proportional to 377,198.27, 520,523.77 and 224,236.76 is: 309,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,198.27 : 520,523.77 = 224,236.76 : x
  2. Step 2: Convert to fraction form
    377,198.27/520,523.77 = 224,236.76/x
  3. Step 3: Cross multiply
    377,198.27x = 520,523.77 × 224,236.76
  4. Step 4: Simplify right side
    377,198.27x = 116,720,560,945.02
  5. Step 5: Solve for x
    x = 116,720,560,945.02/377,198.27
  6. Step 6: Final answer
    x = 309,440.87

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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.