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Finding the Fourth Proportional to 327,535.23, 490,515.53 and 186,867.39

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Solution

The fourth proportional to 327,535.23, 490,515.53 and 186,867.39 is: 279,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,535.23 : 490,515.53 = 186,867.39 : x
  2. Step 2: Convert to fraction form
    327,535.23/490,515.53 = 186,867.39/x
  3. Step 3: Cross multiply
    327,535.23x = 490,515.53 × 186,867.39
  4. Step 4: Simplify right side
    327,535.23x = 91,661,355,911.23
  5. Step 5: Solve for x
    x = 91,661,355,911.23/327,535.23
  6. Step 6: Final answer
    x = 279,851.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.