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Finding the Fourth Proportional to 330,622.77, 496,515.60 and 325,889.67

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Solution

The fourth proportional to 330,622.77, 496,515.60 and 325,889.67 is: 489,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,622.77 : 496,515.60 = 325,889.67 : x
  2. Step 2: Convert to fraction form
    330,622.77/496,515.60 = 325,889.67/x
  3. Step 3: Cross multiply
    330,622.77x = 496,515.60 × 325,889.67
  4. Step 4: Simplify right side
    330,622.77x = 161,809,305,033.85
  5. Step 5: Solve for x
    x = 161,809,305,033.85/330,622.77
  6. Step 6: Final answer
    x = 489,407.63

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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.