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Finding the Fourth Proportional to 403,556.72, 556,885.94 and 222,234.44

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Solution

The fourth proportional to 403,556.72, 556,885.94 and 222,234.44 is: 306,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,556.72 : 556,885.94 = 222,234.44 : x
  2. Step 2: Convert to fraction form
    403,556.72/556,885.94 = 222,234.44/x
  3. Step 3: Cross multiply
    403,556.72x = 556,885.94 × 222,234.44
  4. Step 4: Simplify right side
    403,556.72x = 123,759,231,124.17
  5. Step 5: Solve for x
    x = 123,759,231,124.17/403,556.72
  6. Step 6: Final answer
    x = 306,671.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.