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Finding the Fourth Proportional to 241,936.40, 362,213.40 and 217,053.20

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Solution

The fourth proportional to 241,936.40, 362,213.40 and 217,053.20 is: 324,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,936.40 : 362,213.40 = 217,053.20 : x
  2. Step 2: Convert to fraction form
    241,936.40/362,213.40 = 217,053.20/x
  3. Step 3: Cross multiply
    241,936.40x = 362,213.40 × 217,053.20
  4. Step 4: Simplify right side
    241,936.40x = 78,619,577,552.88
  5. Step 5: Solve for x
    x = 78,619,577,552.88/241,936.40
  6. Step 6: Final answer
    x = 324,959.69

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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.