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Finding the Fourth Proportional to 794,793.60, 1,192,190.40 and 262,396.80

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Solution

The fourth proportional to 794,793.60, 1,192,190.40 and 262,396.80 is: 393,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,793.60 : 1,192,190.40 = 262,396.80 : x
  2. Step 2: Convert to fraction form
    794,793.60/1,192,190.40 = 262,396.80/x
  3. Step 3: Cross multiply
    794,793.60x = 1,192,190.40 × 262,396.80
  4. Step 4: Simplify right side
    794,793.60x = 312,826,945,950.72
  5. Step 5: Solve for x
    x = 312,826,945,950.72/794,793.60
  6. Step 6: Final answer
    x = 393,595.20

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Double scale
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Similar ratio
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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.