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Finding the Fourth Proportional to 328,405.02, 453,198.78 and 177,502.02

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Solution

The fourth proportional to 328,405.02, 453,198.78 and 177,502.02 is: 244,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,405.02 : 453,198.78 = 177,502.02 : x
  2. Step 2: Convert to fraction form
    328,405.02/453,198.78 = 177,502.02/x
  3. Step 3: Cross multiply
    328,405.02x = 453,198.78 × 177,502.02
  4. Step 4: Simplify right side
    328,405.02x = 80,443,698,911.54
  5. Step 5: Solve for x
    x = 80,443,698,911.54/328,405.02
  6. Step 6: Final answer
    x = 244,952.71

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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.