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Finding the Fourth Proportional to 416,959.34, 625,484.99 and 132,583.37

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Solution

The fourth proportional to 416,959.34, 625,484.99 and 132,583.37 is: 198,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,959.34 : 625,484.99 = 132,583.37 : x
  2. Step 2: Convert to fraction form
    416,959.34/625,484.99 = 132,583.37/x
  3. Step 3: Cross multiply
    416,959.34x = 625,484.99 × 132,583.37
  4. Step 4: Simplify right side
    416,959.34x = 82,928,907,858.62
  5. Step 5: Solve for x
    x = 82,928,907,858.62/416,959.34
  6. Step 6: Final answer
    x = 198,889.68

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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.