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Finding the Fourth Proportional to 682,063.49, 941,235.17 and 376,168.11

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Solution

The fourth proportional to 682,063.49, 941,235.17 and 376,168.11 is: 519,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,063.49 : 941,235.17 = 376,168.11 : x
  2. Step 2: Convert to fraction form
    682,063.49/941,235.17 = 376,168.11/x
  3. Step 3: Cross multiply
    682,063.49x = 941,235.17 × 376,168.11
  4. Step 4: Simplify right side
    682,063.49x = 354,062,653,083.59
  5. Step 5: Solve for x
    x = 354,062,653,083.59/682,063.49
  6. Step 6: Final answer
    x = 519,105.13

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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.