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Finding the Fourth Proportional to 441,486.75, 662,236.47 and 125,943.69

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Solution

The fourth proportional to 441,486.75, 662,236.47 and 125,943.69 is: 188,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,486.75 : 662,236.47 = 125,943.69 : x
  2. Step 2: Convert to fraction form
    441,486.75/662,236.47 = 125,943.69/x
  3. Step 3: Cross multiply
    441,486.75x = 662,236.47 × 125,943.69
  4. Step 4: Simplify right side
    441,486.75x = 83,404,504,684.37
  5. Step 5: Solve for x
    x = 83,404,504,684.37/441,486.75
  6. Step 6: Final answer
    x = 188,917.35

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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.