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Finding the Fourth Proportional to 328,866.25, 453,835.83 and 177,963.25

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Solution

The fourth proportional to 328,866.25, 453,835.83 and 177,963.25 is: 245,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,866.25 : 453,835.83 = 177,963.25 : x
  2. Step 2: Convert to fraction form
    328,866.25/453,835.83 = 177,963.25/x
  3. Step 3: Cross multiply
    328,866.25x = 453,835.83 × 177,963.25
  4. Step 4: Simplify right side
    328,866.25x = 80,766,099,273.25
  5. Step 5: Solve for x
    x = 80,766,099,273.25/328,866.25
  6. Step 6: Final answer
    x = 245,589.50

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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.