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Finding the Fourth Proportional to 605,372.73, 908,178.77 and 178,916.23

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Solution

The fourth proportional to 605,372.73, 908,178.77 and 178,916.23 is: 268,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,372.73 : 908,178.77 = 178,916.23 : x
  2. Step 2: Convert to fraction form
    605,372.73/908,178.77 = 178,916.23/x
  3. Step 3: Cross multiply
    605,372.73x = 908,178.77 × 178,916.23
  4. Step 4: Simplify right side
    605,372.73x = 162,487,921,694.44
  5. Step 5: Solve for x
    x = 162,487,921,694.44/605,372.73
  6. Step 6: Final answer
    x = 268,409.71

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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.