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Finding the Fourth Proportional to 351,033.69, 484,485.91 and 203,835.61

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Solution

The fourth proportional to 351,033.69, 484,485.91 and 203,835.61 is: 281,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,033.69 : 484,485.91 = 203,835.61 : x
  2. Step 2: Convert to fraction form
    351,033.69/484,485.91 = 203,835.61/x
  3. Step 3: Cross multiply
    351,033.69x = 484,485.91 × 203,835.61
  4. Step 4: Simplify right side
    351,033.69x = 98,755,481,001.26
  5. Step 5: Solve for x
    x = 98,755,481,001.26/351,033.69
  6. Step 6: Final answer
    x = 281,327.64

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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.