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Finding the Fourth Proportional to 490,601.85, 735,902.78 and 490,601.85

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Solution

The fourth proportional to 490,601.85, 735,902.78 and 490,601.85 is: 735,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,601.85 : 735,902.78 = 490,601.85 : x
  2. Step 2: Convert to fraction form
    490,601.85/735,902.78 = 490,601.85/x
  3. Step 3: Cross multiply
    490,601.85x = 735,902.78 × 490,601.85
  4. Step 4: Simplify right side
    490,601.85x = 361,035,265,288.14
  5. Step 5: Solve for x
    x = 361,035,265,288.14/490,601.85
  6. Step 6: Final answer
    x = 735,902.78

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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.