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Finding the Fourth Proportional to 329,408.59, 494,107.68 and 104,765.77

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Solution

The fourth proportional to 329,408.59, 494,107.68 and 104,765.77 is: 157,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,408.59 : 494,107.68 = 104,765.77 : x
  2. Step 2: Convert to fraction form
    329,408.59/494,107.68 = 104,765.77/x
  3. Step 3: Cross multiply
    329,408.59x = 494,107.68 × 104,765.77
  4. Step 4: Simplify right side
    329,408.59x = 51,765,571,558.11
  5. Step 5: Solve for x
    x = 51,765,571,558.11/329,408.59
  6. Step 6: Final answer
    x = 157,147.00

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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.