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Finding the Fourth Proportional to 322,161.42, 483,258.80 and 82,277.56

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Solution

The fourth proportional to 322,161.42, 483,258.80 and 82,277.56 is: 123,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,161.42 : 483,258.80 = 82,277.56 : x
  2. Step 2: Convert to fraction form
    322,161.42/483,258.80 = 82,277.56/x
  3. Step 3: Cross multiply
    322,161.42x = 483,258.80 × 82,277.56
  4. Step 4: Simplify right side
    322,161.42x = 39,761,352,496.23
  5. Step 5: Solve for x
    x = 39,761,352,496.23/322,161.42
  6. Step 6: Final answer
    x = 123,420.59

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1.5x scale

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.