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Finding the Fourth Proportional to 493,237.56, 739,861.48 and 173,398.38

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Solution

The fourth proportional to 493,237.56, 739,861.48 and 173,398.38 is: 260,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,237.56 : 739,861.48 = 173,398.38 : x
  2. Step 2: Convert to fraction form
    493,237.56/739,861.48 = 173,398.38/x
  3. Step 3: Cross multiply
    493,237.56x = 739,861.48 × 173,398.38
  4. Step 4: Simplify right side
    493,237.56x = 128,290,782,056.40
  5. Step 5: Solve for x
    x = 128,290,782,056.40/493,237.56
  6. Step 6: Final answer
    x = 260,099.38

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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.