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Finding the Fourth Proportional to 322,218.26, 483,332.25 and 111,862.88

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Solution

The fourth proportional to 322,218.26, 483,332.25 and 111,862.88 is: 167,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,218.26 : 483,332.25 = 111,862.88 : x
  2. Step 2: Convert to fraction form
    322,218.26/483,332.25 = 111,862.88/x
  3. Step 3: Cross multiply
    322,218.26x = 483,332.25 × 111,862.88
  4. Step 4: Simplify right side
    322,218.26x = 54,066,937,481.88
  5. Step 5: Solve for x
    x = 54,066,937,481.88/322,218.26
  6. Step 6: Final answer
    x = 167,796.01

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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.