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Finding the Fourth Proportional to 327,336.30, 451,656.36 and 191,343.95

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Solution

The fourth proportional to 327,336.30, 451,656.36 and 191,343.95 is: 264,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,336.30 : 451,656.36 = 191,343.95 : x
  2. Step 2: Convert to fraction form
    327,336.30/451,656.36 = 191,343.95/x
  3. Step 3: Cross multiply
    327,336.30x = 451,656.36 × 191,343.95
  4. Step 4: Simplify right side
    327,336.30x = 86,421,713,572.52
  5. Step 5: Solve for x
    x = 86,421,713,572.52/327,336.30
  6. Step 6: Final answer
    x = 264,015.06

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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.