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Finding the Fourth Proportional to 331,195.80, 496,793.70 and 307,867.80

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Solution

The fourth proportional to 331,195.80, 496,793.70 and 307,867.80 is: 461,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,195.80 : 496,793.70 = 307,867.80 : x
  2. Step 2: Convert to fraction form
    331,195.80/496,793.70 = 307,867.80/x
  3. Step 3: Cross multiply
    331,195.80x = 496,793.70 × 307,867.80
  4. Step 4: Simplify right side
    331,195.80x = 152,946,783,472.86
  5. Step 5: Solve for x
    x = 152,946,783,472.86/331,195.80
  6. Step 6: Final answer
    x = 461,801.70

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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.