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Finding the Fourth Proportional to 493,235.57, 739,858.47 and 173,396.38

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Solution

The fourth proportional to 493,235.57, 739,858.47 and 173,396.38 is: 260,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,235.57 : 739,858.47 = 173,396.38 : x
  2. Step 2: Convert to fraction form
    493,235.57/739,858.47 = 173,396.38/x
  3. Step 3: Cross multiply
    493,235.57x = 739,858.47 × 173,396.38
  4. Step 4: Simplify right side
    493,235.57x = 128,288,780,410.34
  5. Step 5: Solve for x
    x = 128,288,780,410.34/493,235.57
  6. Step 6: Final answer
    x = 260,096.37

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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.