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Finding the Fourth Proportional to 603,035.82, 832,199.81 and 331,115.18

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Solution

The fourth proportional to 603,035.82, 832,199.81 and 331,115.18 is: 456,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,035.82 : 832,199.81 = 331,115.18 : x
  2. Step 2: Convert to fraction form
    603,035.82/832,199.81 = 331,115.18/x
  3. Step 3: Cross multiply
    603,035.82x = 832,199.81 × 331,115.18
  4. Step 4: Simplify right side
    603,035.82x = 275,553,984,067.54
  5. Step 5: Solve for x
    x = 275,553,984,067.54/603,035.82
  6. Step 6: Final answer
    x = 456,944.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.