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Finding the Fourth Proportional to 365,062.12, 503,770.98 and 203,914.60

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Solution

The fourth proportional to 365,062.12, 503,770.98 and 203,914.60 is: 281,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,062.12 : 503,770.98 = 203,914.60 : x
  2. Step 2: Convert to fraction form
    365,062.12/503,770.98 = 203,914.60/x
  3. Step 3: Cross multiply
    365,062.12x = 503,770.98 × 203,914.60
  4. Step 4: Simplify right side
    365,062.12x = 102,726,257,878.31
  5. Step 5: Solve for x
    x = 102,726,257,878.31/365,062.12
  6. Step 6: Final answer
    x = 281,393.91

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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.