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Finding the Fourth Proportional to 329,563.60, 494,564.10 and 187,408.60

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Solution

The fourth proportional to 329,563.60, 494,564.10 and 187,408.60 is: 281,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,563.60 : 494,564.10 = 187,408.60 : x
  2. Step 2: Convert to fraction form
    329,563.60/494,564.10 = 187,408.60/x
  3. Step 3: Cross multiply
    329,563.60x = 494,564.10 × 187,408.60
  4. Step 4: Simplify right side
    329,563.60x = 92,685,565,591.26
  5. Step 5: Solve for x
    x = 92,685,565,591.26/329,563.60
  6. Step 6: Final answer
    x = 281,237.27

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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.