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Finding the Fourth Proportional to 603,099.09, 904,550.13 and 203,731.02

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Solution

The fourth proportional to 603,099.09, 904,550.13 and 203,731.02 is: 305,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,099.09 : 904,550.13 = 203,731.02 : x
  2. Step 2: Convert to fraction form
    603,099.09/904,550.13 = 203,731.02/x
  3. Step 3: Cross multiply
    603,099.09x = 904,550.13 × 203,731.02
  4. Step 4: Simplify right side
    603,099.09x = 184,284,920,626.03
  5. Step 5: Solve for x
    x = 184,284,920,626.03/603,099.09
  6. Step 6: Final answer
    x = 305,563.25

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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.