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Finding the Fourth Proportional to 603,630.63, 904,883.13 and 203,991.93

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Solution

The fourth proportional to 603,630.63, 904,883.13 and 203,991.93 is: 305,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,630.63 : 904,883.13 = 203,991.93 : x
  2. Step 2: Convert to fraction form
    603,630.63/904,883.13 = 203,991.93/x
  3. Step 3: Cross multiply
    603,630.63x = 904,883.13 × 203,991.93
  4. Step 4: Simplify right side
    603,630.63x = 184,588,856,113.14
  5. Step 5: Solve for x
    x = 184,588,856,113.14/603,630.63
  6. Step 6: Final answer
    x = 305,797.70

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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.