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Finding the Fourth Proportional to 601,239.45, 901,942.20 and 201,994.39

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Solution

The fourth proportional to 601,239.45, 901,942.20 and 201,994.39 is: 303,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,239.45 : 901,942.20 = 201,994.39 : x
  2. Step 2: Convert to fraction form
    601,239.45/901,942.20 = 201,994.39/x
  3. Step 3: Cross multiply
    601,239.45x = 901,942.20 × 201,994.39
  4. Step 4: Simplify right side
    601,239.45x = 182,187,264,504.26
  5. Step 5: Solve for x
    x = 182,187,264,504.26/601,239.45
  6. Step 6: Final answer
    x = 303,019.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.