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Finding the Fourth Proportional to 493,352.57, 740,028.91 and 119,375.57

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Solution

The fourth proportional to 493,352.57, 740,028.91 and 119,375.57 is: 179,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,352.57 : 740,028.91 = 119,375.57 : x
  2. Step 2: Convert to fraction form
    493,352.57/740,028.91 = 119,375.57/x
  3. Step 3: Cross multiply
    493,352.57x = 740,028.91 × 119,375.57
  4. Step 4: Simplify right side
    493,352.57x = 88,341,374,723.19
  5. Step 5: Solve for x
    x = 88,341,374,723.19/493,352.57
  6. Step 6: Final answer
    x = 179,063.37

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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.