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Finding the Fourth Proportional to 322,326.50, 483,699.52 and 122,648.54

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Solution

The fourth proportional to 322,326.50, 483,699.52 and 122,648.54 is: 184,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,326.50 : 483,699.52 = 122,648.54 : x
  2. Step 2: Convert to fraction form
    322,326.50/483,699.52 = 122,648.54/x
  3. Step 3: Cross multiply
    322,326.50x = 483,699.52 × 122,648.54
  4. Step 4: Simplify right side
    322,326.50x = 59,325,039,926.70
  5. Step 5: Solve for x
    x = 59,325,039,926.70/322,326.50
  6. Step 6: Final answer
    x = 184,052.63

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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.