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Finding the Fourth Proportional to 262,544.76, 362,087.82 and 221,905.44

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Solution

The fourth proportional to 262,544.76, 362,087.82 and 221,905.44 is: 306,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,544.76 : 362,087.82 = 221,905.44 : x
  2. Step 2: Convert to fraction form
    262,544.76/362,087.82 = 221,905.44/x
  3. Step 3: Cross multiply
    262,544.76x = 362,087.82 × 221,905.44
  4. Step 4: Simplify right side
    262,544.76x = 80,349,257,015.74
  5. Step 5: Solve for x
    x = 80,349,257,015.74/262,544.76
  6. Step 6: Final answer
    x = 306,040.22

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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.