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Finding the Fourth Proportional to 322,971.71, 445,239 and 227,181.11

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Solution

The fourth proportional to 322,971.71, 445,239 and 227,181.11 is: 313,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,971.71 : 445,239 = 227,181.11 : x
  2. Step 2: Convert to fraction form
    322,971.71/445,239 = 227,181.11/x
  3. Step 3: Cross multiply
    322,971.71x = 445,239 × 227,181.11
  4. Step 4: Simplify right side
    322,971.71x = 101,149,888,009.10
  5. Step 5: Solve for x
    x = 101,149,888,009.10/322,971.71
  6. Step 6: Final answer
    x = 313,184.98

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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.