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Finding the Fourth Proportional to 652,795.68, 978,519.90 and 273,936.48

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Solution

The fourth proportional to 652,795.68, 978,519.90 and 273,936.48 is: 410,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,795.68 : 978,519.90 = 273,936.48 : x
  2. Step 2: Convert to fraction form
    652,795.68/978,519.90 = 273,936.48/x
  3. Step 3: Cross multiply
    652,795.68x = 978,519.90 × 273,936.48
  4. Step 4: Simplify right side
    652,795.68x = 268,052,297,015.95
  5. Step 5: Solve for x
    x = 268,052,297,015.95/652,795.68
  6. Step 6: Final answer
    x = 410,622.04

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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.