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Finding the Fourth Proportional to 322,534.36, 445,077.90 and 179,289.40

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Solution

The fourth proportional to 322,534.36, 445,077.90 and 179,289.40 is: 247,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,534.36 : 445,077.90 = 179,289.40 : x
  2. Step 2: Convert to fraction form
    322,534.36/445,077.90 = 179,289.40/x
  3. Step 3: Cross multiply
    322,534.36x = 445,077.90 × 179,289.40
  4. Step 4: Simplify right side
    322,534.36x = 79,797,749,644.26
  5. Step 5: Solve for x
    x = 79,797,749,644.26/322,534.36
  6. Step 6: Final answer
    x = 247,408.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.