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Finding the Fourth Proportional to 331,229.30, 496,843.95 and 298,051.70

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Solution

The fourth proportional to 331,229.30, 496,843.95 and 298,051.70 is: 447,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,229.30 : 496,843.95 = 298,051.70 : x
  2. Step 2: Convert to fraction form
    331,229.30/496,843.95 = 298,051.70/x
  3. Step 3: Cross multiply
    331,229.30x = 496,843.95 × 298,051.70
  4. Step 4: Simplify right side
    331,229.30x = 148,085,183,932.22
  5. Step 5: Solve for x
    x = 148,085,183,932.22/331,229.30
  6. Step 6: Final answer
    x = 447,077.55

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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.