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Finding the Fourth Proportional to 652,825.92, 978,451.44 and 337,110.72

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Solution

The fourth proportional to 652,825.92, 978,451.44 and 337,110.72 is: 505,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,825.92 : 978,451.44 = 337,110.72 : x
  2. Step 2: Convert to fraction form
    652,825.92/978,451.44 = 337,110.72/x
  3. Step 3: Cross multiply
    652,825.92x = 978,451.44 × 337,110.72
  4. Step 4: Simplify right side
    652,825.92x = 329,846,469,423.44
  5. Step 5: Solve for x
    x = 329,846,469,423.44/652,825.92
  6. Step 6: Final answer
    x = 505,259.46

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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.