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Finding the Fourth Proportional to 417,185.93, 625,571.67 and 132,839.37

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Solution

The fourth proportional to 417,185.93, 625,571.67 and 132,839.37 is: 199,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,185.93 : 625,571.67 = 132,839.37 : x
  2. Step 2: Convert to fraction form
    417,185.93/625,571.67 = 132,839.37/x
  3. Step 3: Cross multiply
    417,185.93x = 625,571.67 × 132,839.37
  4. Step 4: Simplify right side
    417,185.93x = 83,100,546,532.65
  5. Step 5: Solve for x
    x = 83,100,546,532.65/417,185.93
  6. Step 6: Final answer
    x = 199,193.07

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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.