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Finding the Fourth Proportional to 603,223.92, 904,879.80 and 203,731.92

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Solution

The fourth proportional to 603,223.92, 904,879.80 and 203,731.92 is: 305,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,223.92 : 904,879.80 = 203,731.92 : x
  2. Step 2: Convert to fraction form
    603,223.92/904,879.80 = 203,731.92/x
  3. Step 3: Cross multiply
    603,223.92x = 904,879.80 × 203,731.92
  4. Step 4: Simplify right side
    603,223.92x = 184,352,899,023.22
  5. Step 5: Solve for x
    x = 184,352,899,023.22/603,223.92
  6. Step 6: Final answer
    x = 305,612.71

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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.