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Finding the Fourth Proportional to 324,104.54, 485,824.50 and 124,371.32

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Solution

The fourth proportional to 324,104.54, 485,824.50 and 124,371.32 is: 186,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,104.54 : 485,824.50 = 124,371.32 : x
  2. Step 2: Convert to fraction form
    324,104.54/485,824.50 = 124,371.32/x
  3. Step 3: Cross multiply
    324,104.54x = 485,824.50 × 124,371.32
  4. Step 4: Simplify right side
    324,104.54x = 60,422,631,924.22
  5. Step 5: Solve for x
    x = 60,422,631,924.22/324,104.54
  6. Step 6: Final answer
    x = 186,429.46

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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.