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Finding the Fourth Proportional to 503,296.73, 694,544.19 and 285,545.69

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Solution

The fourth proportional to 503,296.73, 694,544.19 and 285,545.69 is: 394,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,296.73 : 694,544.19 = 285,545.69 : x
  2. Step 2: Convert to fraction form
    503,296.73/694,544.19 = 285,545.69/x
  3. Step 3: Cross multiply
    503,296.73x = 694,544.19 × 285,545.69
  4. Step 4: Simplify right side
    503,296.73x = 198,324,099,969.04
  5. Step 5: Solve for x
    x = 198,324,099,969.04/503,296.73
  6. Step 6: Final answer
    x = 394,050.05

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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.