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Finding the Fourth Proportional to 324,441.48, 447,664.22 and 181,179.48

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Solution

The fourth proportional to 324,441.48, 447,664.22 and 181,179.48 is: 249,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,441.48 : 447,664.22 = 181,179.48 : x
  2. Step 2: Convert to fraction form
    324,441.48/447,664.22 = 181,179.48/x
  3. Step 3: Cross multiply
    324,441.48x = 447,664.22 × 181,179.48
  4. Step 4: Simplify right side
    324,441.48x = 81,107,570,594.21
  5. Step 5: Solve for x
    x = 81,107,570,594.21/324,441.48
  6. Step 6: Final answer
    x = 249,991.37

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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.