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Finding the Fourth Proportional to 493,299.72, 739,949.94 and 119,323.08

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Solution

The fourth proportional to 493,299.72, 739,949.94 and 119,323.08 is: 178,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,299.72 : 739,949.94 = 119,323.08 : x
  2. Step 2: Convert to fraction form
    493,299.72/739,949.94 = 119,323.08/x
  3. Step 3: Cross multiply
    493,299.72x = 739,949.94 × 119,323.08
  4. Step 4: Simplify right side
    493,299.72x = 88,293,105,886.62
  5. Step 5: Solve for x
    x = 88,293,105,886.62/493,299.72
  6. Step 6: Final answer
    x = 178,984.71

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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.