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Finding the Fourth Proportional to 322,603.36, 445,190.34 and 179,362.24

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Solution

The fourth proportional to 322,603.36, 445,190.34 and 179,362.24 is: 247,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,603.36 : 445,190.34 = 179,362.24 : x
  2. Step 2: Convert to fraction form
    322,603.36/445,190.34 = 179,362.24/x
  3. Step 3: Cross multiply
    322,603.36x = 445,190.34 × 179,362.24
  4. Step 4: Simplify right side
    322,603.36x = 79,850,336,608.76
  5. Step 5: Solve for x
    x = 79,850,336,608.76/322,603.36
  6. Step 6: Final answer
    x = 247,518.61

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1.5x scale

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.