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Finding the Fourth Proportional to 652,584.54, 978,687.42 and 273,495.36

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Solution

The fourth proportional to 652,584.54, 978,687.42 and 273,495.36 is: 410,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,584.54 : 978,687.42 = 273,495.36 : x
  2. Step 2: Convert to fraction form
    652,584.54/978,687.42 = 273,495.36/x
  3. Step 3: Cross multiply
    652,584.54x = 978,687.42 × 273,495.36
  4. Step 4: Simplify right side
    652,584.54x = 267,666,468,260.37
  5. Step 5: Solve for x
    x = 267,666,468,260.37/652,584.54
  6. Step 6: Final answer
    x = 410,163.67

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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.