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Finding the Fourth Proportional to 328,796.38, 453,739 and 177,893.38

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Solution

The fourth proportional to 328,796.38, 453,739 and 177,893.38 is: 245,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,796.38 : 453,739 = 177,893.38 : x
  2. Step 2: Convert to fraction form
    328,796.38/453,739 = 177,893.38/x
  3. Step 3: Cross multiply
    328,796.38x = 453,739 × 177,893.38
  4. Step 4: Simplify right side
    328,796.38x = 80,717,162,079.13
  5. Step 5: Solve for x
    x = 80,717,162,079.13/328,796.38
  6. Step 6: Final answer
    x = 245,492.86

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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.