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Finding the Fourth Proportional to 599,422.90, 827,215.51 and 327,507.67

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Solution

The fourth proportional to 599,422.90, 827,215.51 and 327,507.67 is: 451,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,422.90 : 827,215.51 = 327,507.67 : x
  2. Step 2: Convert to fraction form
    599,422.90/827,215.51 = 327,507.67/x
  3. Step 3: Cross multiply
    599,422.90x = 827,215.51 × 327,507.67
  4. Step 4: Simplify right side
    599,422.90x = 270,919,424,267.96
  5. Step 5: Solve for x
    x = 270,919,424,267.96/599,422.90
  6. Step 6: Final answer
    x = 451,967.09

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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.