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Finding the Fourth Proportional to 247,265.26, 370,321.07 and 180,539.89

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Solution

The fourth proportional to 247,265.26, 370,321.07 and 180,539.89 is: 270,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,265.26 : 370,321.07 = 180,539.89 : x
  2. Step 2: Convert to fraction form
    247,265.26/370,321.07 = 180,539.89/x
  3. Step 3: Cross multiply
    247,265.26x = 370,321.07 × 180,539.89
  4. Step 4: Simplify right side
    247,265.26x = 66,857,723,413.98
  5. Step 5: Solve for x
    x = 66,857,723,413.98/247,265.26
  6. Step 6: Final answer
    x = 270,388.67

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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.