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Finding the Fourth Proportional to 324,522.72, 447,840.24 and 179,324.46

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Solution

The fourth proportional to 324,522.72, 447,840.24 and 179,324.46 is: 247,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,522.72 : 447,840.24 = 179,324.46 : x
  2. Step 2: Convert to fraction form
    324,522.72/447,840.24 = 179,324.46/x
  3. Step 3: Cross multiply
    324,522.72x = 447,840.24 × 179,324.46
  4. Step 4: Simplify right side
    324,522.72x = 80,308,709,540.50
  5. Step 5: Solve for x
    x = 80,308,709,540.50/324,522.72
  6. Step 6: Final answer
    x = 247,467.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.