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Finding the Fourth Proportional to 449,525.44, 673,210.96 and 327,619.24

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Solution

The fourth proportional to 449,525.44, 673,210.96 and 327,619.24 is: 490,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,525.44 : 673,210.96 = 327,619.24 : x
  2. Step 2: Convert to fraction form
    449,525.44/673,210.96 = 327,619.24/x
  3. Step 3: Cross multiply
    449,525.44x = 673,210.96 × 327,619.24
  4. Step 4: Simplify right side
    449,525.44x = 220,556,863,074.87
  5. Step 5: Solve for x
    x = 220,556,863,074.87/449,525.44
  6. Step 6: Final answer
    x = 490,643.78

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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.