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Finding the Fourth Proportional to 403,795.80, 605,122.22 and 223,960.39

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Solution

The fourth proportional to 403,795.80, 605,122.22 and 223,960.39 is: 335,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,795.80 : 605,122.22 = 223,960.39 : x
  2. Step 2: Convert to fraction form
    403,795.80/605,122.22 = 223,960.39/x
  3. Step 3: Cross multiply
    403,795.80x = 605,122.22 × 223,960.39
  4. Step 4: Simplify right side
    403,795.80x = 135,523,407,435.96
  5. Step 5: Solve for x
    x = 135,523,407,435.96/403,795.80
  6. Step 6: Final answer
    x = 335,623.62

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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.