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Finding the Fourth Proportional to 365,108.04, 503,843.54 and 203,965.40

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Solution

The fourth proportional to 365,108.04, 503,843.54 and 203,965.40 is: 281,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,108.04 : 503,843.54 = 203,965.40 : x
  2. Step 2: Convert to fraction form
    365,108.04/503,843.54 = 203,965.40/x
  3. Step 3: Cross multiply
    365,108.04x = 503,843.54 × 203,965.40
  4. Step 4: Simplify right side
    365,108.04x = 102,766,649,173.52
  5. Step 5: Solve for x
    x = 102,766,649,173.52/365,108.04
  6. Step 6: Final answer
    x = 281,469.15

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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.