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Finding the Fourth Proportional to 412,672.52, 569,480.85 and 231,383.88

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Solution

The fourth proportional to 412,672.52, 569,480.85 and 231,383.88 is: 319,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,672.52 : 569,480.85 = 231,383.88 : x
  2. Step 2: Convert to fraction form
    412,672.52/569,480.85 = 231,383.88/x
  3. Step 3: Cross multiply
    412,672.52x = 569,480.85 × 231,383.88
  4. Step 4: Simplify right side
    412,672.52x = 131,768,690,660.86
  5. Step 5: Solve for x
    x = 131,768,690,660.86/412,672.52
  6. Step 6: Final answer
    x = 319,305.71

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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.