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Finding the Fourth Proportional to 322,534.72, 483,195.19 and 189,018.37

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Solution

The fourth proportional to 322,534.72, 483,195.19 and 189,018.37 is: 283,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,534.72 : 483,195.19 = 189,018.37 : x
  2. Step 2: Convert to fraction form
    322,534.72/483,195.19 = 189,018.37/x
  3. Step 3: Cross multiply
    322,534.72x = 483,195.19 × 189,018.37
  4. Step 4: Simplify right side
    322,534.72x = 91,332,767,205.64
  5. Step 5: Solve for x
    x = 91,332,767,205.64/322,534.72
  6. Step 6: Final answer
    x = 283,171.89

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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.