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Finding the Fourth Proportional to 327,476.66, 491,186.84 and 199,359.69

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Solution

The fourth proportional to 327,476.66, 491,186.84 and 199,359.69 is: 299,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,476.66 : 491,186.84 = 199,359.69 : x
  2. Step 2: Convert to fraction form
    327,476.66/491,186.84 = 199,359.69/x
  3. Step 3: Cross multiply
    327,476.66x = 491,186.84 × 199,359.69
  4. Step 4: Simplify right side
    327,476.66x = 97,922,855,175.71
  5. Step 5: Solve for x
    x = 97,922,855,175.71/327,476.66
  6. Step 6: Final answer
    x = 299,022.40

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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.