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Finding the Fourth Proportional to 380,680.24, 525,100.86 and 244,891

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Solution

The fourth proportional to 380,680.24, 525,100.86 and 244,891 is: 337,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,680.24 : 525,100.86 = 244,891 : x
  2. Step 2: Convert to fraction form
    380,680.24/525,100.86 = 244,891/x
  3. Step 3: Cross multiply
    380,680.24x = 525,100.86 × 244,891
  4. Step 4: Simplify right side
    380,680.24x = 128,592,474,706.26
  5. Step 5: Solve for x
    x = 128,592,474,706.26/380,680.24
  6. Step 6: Final answer
    x = 337,796.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.