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Finding the Fourth Proportional to 322,320.06, 483,480.09 and 111,958.20

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Solution

The fourth proportional to 322,320.06, 483,480.09 and 111,958.20 is: 167,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,320.06 : 483,480.09 = 111,958.20 : x
  2. Step 2: Convert to fraction form
    322,320.06/483,480.09 = 111,958.20/x
  3. Step 3: Cross multiply
    322,320.06x = 483,480.09 × 111,958.20
  4. Step 4: Simplify right side
    322,320.06x = 54,129,560,612.24
  5. Step 5: Solve for x
    x = 54,129,560,612.24/322,320.06
  6. Step 6: Final answer
    x = 167,937.30

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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.