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Finding the Fourth Proportional to 603,190.60, 904,757.10 and 203,792.20

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Solution

The fourth proportional to 603,190.60, 904,757.10 and 203,792.20 is: 305,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,190.60 : 904,757.10 = 203,792.20 : x
  2. Step 2: Convert to fraction form
    603,190.60/904,757.10 = 203,792.20/x
  3. Step 3: Cross multiply
    603,190.60x = 904,757.10 × 203,792.20
  4. Step 4: Simplify right side
    603,190.60x = 184,382,439,874.62
  5. Step 5: Solve for x
    x = 184,382,439,874.62/603,190.60
  6. Step 6: Final answer
    x = 305,678.57

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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.