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Finding the Fourth Proportional to 327,336.33, 451,656.41 and 191,343.98

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Solution

The fourth proportional to 327,336.33, 451,656.41 and 191,343.98 is: 264,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,336.33 : 451,656.41 = 191,343.98 : x
  2. Step 2: Convert to fraction form
    327,336.33/451,656.41 = 191,343.98/x
  3. Step 3: Cross multiply
    327,336.33x = 451,656.41 × 191,343.98
  4. Step 4: Simplify right side
    327,336.33x = 86,421,735,254.33
  5. Step 5: Solve for x
    x = 86,421,735,254.33/327,336.33
  6. Step 6: Final answer
    x = 264,015.10

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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.