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Finding the Fourth Proportional to 603,410.80, 905,060.88 and 204,055.04

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Solution

The fourth proportional to 603,410.80, 905,060.88 and 204,055.04 is: 306,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,410.80 : 905,060.88 = 204,055.04 : x
  2. Step 2: Convert to fraction form
    603,410.80/905,060.88 = 204,055.04/x
  3. Step 3: Cross multiply
    603,410.80x = 905,060.88 × 204,055.04
  4. Step 4: Simplify right side
    603,410.80x = 184,682,234,070.84
  5. Step 5: Solve for x
    x = 184,682,234,070.84/603,410.80
  6. Step 6: Final answer
    x = 306,063.85

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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.