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Finding the Fourth Proportional to 701,016.35, 967,403.03 and 378,726.32

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Solution

The fourth proportional to 701,016.35, 967,403.03 and 378,726.32 is: 522,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,016.35 : 967,403.03 = 378,726.32 : x
  2. Step 2: Convert to fraction form
    701,016.35/967,403.03 = 378,726.32/x
  3. Step 3: Cross multiply
    701,016.35x = 967,403.03 × 378,726.32
  4. Step 4: Simplify right side
    701,016.35x = 366,380,982,778.10
  5. Step 5: Solve for x
    x = 366,380,982,778.10/701,016.35
  6. Step 6: Final answer
    x = 522,642.57

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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.