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Finding the Fourth Proportional to 701,786.52, 968,443.56 and 395,858.33

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Solution

The fourth proportional to 701,786.52, 968,443.56 and 395,858.33 is: 546,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,786.52 : 968,443.56 = 395,858.33 : x
  2. Step 2: Convert to fraction form
    701,786.52/968,443.56 = 395,858.33/x
  3. Step 3: Cross multiply
    701,786.52x = 968,443.56 × 395,858.33
  4. Step 4: Simplify right side
    701,786.52x = 383,366,450,360.86
  5. Step 5: Solve for x
    x = 383,366,450,360.86/701,786.52
  6. Step 6: Final answer
    x = 546,272.18

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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.