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Finding the Fourth Proportional to 635,373.36, 952,914.78 and 379,278

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Solution

The fourth proportional to 635,373.36, 952,914.78 and 379,278 is: 568,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,373.36 : 952,914.78 = 379,278 : x
  2. Step 2: Convert to fraction form
    635,373.36/952,914.78 = 379,278/x
  3. Step 3: Cross multiply
    635,373.36x = 952,914.78 × 379,278
  4. Step 4: Simplify right side
    635,373.36x = 361,419,611,928.84
  5. Step 5: Solve for x
    x = 361,419,611,928.84/635,373.36
  6. Step 6: Final answer
    x = 568,830.29

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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.