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Finding the Fourth Proportional to 324,962.36, 448,489.74 and 181,730.36

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Solution

The fourth proportional to 324,962.36, 448,489.74 and 181,730.36 is: 250,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,962.36 : 448,489.74 = 181,730.36 : x
  2. Step 2: Convert to fraction form
    324,962.36/448,489.74 = 181,730.36/x
  3. Step 3: Cross multiply
    324,962.36x = 448,489.74 × 181,730.36
  4. Step 4: Simplify right side
    324,962.36x = 81,504,201,906.51
  5. Step 5: Solve for x
    x = 81,504,201,906.51/324,962.36
  6. Step 6: Final answer
    x = 250,811.21

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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.