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Finding the Fourth Proportional to 603,650.80, 905,420.84 and 204,245.83

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Solution

The fourth proportional to 603,650.80, 905,420.84 and 204,245.83 is: 306,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,650.80 : 905,420.84 = 204,245.83 : x
  2. Step 2: Convert to fraction form
    603,650.80/905,420.84 = 204,245.83/x
  3. Step 3: Cross multiply
    603,650.80x = 905,420.84 × 204,245.83
  4. Step 4: Simplify right side
    603,650.80x = 184,928,430,965.10
  5. Step 5: Solve for x
    x = 184,928,430,965.10/603,650.80
  6. Step 6: Final answer
    x = 306,350.01

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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.