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Finding the Fourth Proportional to 682,512.90, 941,887.51 and 376,608.98

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Solution

The fourth proportional to 682,512.90, 941,887.51 and 376,608.98 is: 519,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,512.90 : 941,887.51 = 376,608.98 : x
  2. Step 2: Convert to fraction form
    682,512.90/941,887.51 = 376,608.98/x
  3. Step 3: Cross multiply
    682,512.90x = 941,887.51 × 376,608.98
  4. Step 4: Simplify right side
    682,512.90x = 354,723,294,415.84
  5. Step 5: Solve for x
    x = 354,723,294,415.84/682,512.90
  6. Step 6: Final answer
    x = 519,731.27

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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.