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Finding the Fourth Proportional to 603,183.90, 905,103.90 and 248,233.80

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Solution

The fourth proportional to 603,183.90, 905,103.90 and 248,233.80 is: 372,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,183.90 : 905,103.90 = 248,233.80 : x
  2. Step 2: Convert to fraction form
    603,183.90/905,103.90 = 248,233.80/x
  3. Step 3: Cross multiply
    603,183.90x = 905,103.90 × 248,233.80
  4. Step 4: Simplify right side
    603,183.90x = 224,677,380,491.82
  5. Step 5: Solve for x
    x = 224,677,380,491.82/603,183.90
  6. Step 6: Final answer
    x = 372,485.71

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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.