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Finding the Fourth Proportional to 328,795.78, 453,737.82 and 177,892.78

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Solution

The fourth proportional to 328,795.78, 453,737.82 and 177,892.78 is: 245,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,795.78 : 453,737.82 = 177,892.78 : x
  2. Step 2: Convert to fraction form
    328,795.78/453,737.82 = 177,892.78/x
  3. Step 3: Cross multiply
    328,795.78x = 453,737.82 × 177,892.78
  4. Step 4: Simplify right side
    328,795.78x = 80,716,682,190.94
  5. Step 5: Solve for x
    x = 80,716,682,190.94/328,795.78
  6. Step 6: Final answer
    x = 245,491.84

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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.