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Finding the Fourth Proportional to 603,857.68, 832,976.12 and 361,999.73

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Solution

The fourth proportional to 603,857.68, 832,976.12 and 361,999.73 is: 499,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,857.68 : 832,976.12 = 361,999.73 : x
  2. Step 2: Convert to fraction form
    603,857.68/832,976.12 = 361,999.73/x
  3. Step 3: Cross multiply
    603,857.68x = 832,976.12 × 361,999.73
  4. Step 4: Simplify right side
    603,857.68x = 301,537,133,523.89
  5. Step 5: Solve for x
    x = 301,537,133,523.89/603,857.68
  6. Step 6: Final answer
    x = 499,351.33

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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.