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Finding the Fourth Proportional to 365,054.82, 503,770.29 and 203,912.10

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Solution

The fourth proportional to 365,054.82, 503,770.29 and 203,912.10 is: 281,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,054.82 : 503,770.29 = 203,912.10 : x
  2. Step 2: Convert to fraction form
    365,054.82/503,770.29 = 203,912.10/x
  3. Step 3: Cross multiply
    365,054.82x = 503,770.29 × 203,912.10
  4. Step 4: Simplify right side
    365,054.82x = 102,724,857,751.51
  5. Step 5: Solve for x
    x = 102,724,857,751.51/365,054.82
  6. Step 6: Final answer
    x = 281,395.70

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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.