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Finding the Fourth Proportional to 329,607.62, 494,367.70 and 92,969.36

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Solution

The fourth proportional to 329,607.62, 494,367.70 and 92,969.36 is: 139,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,607.62 : 494,367.70 = 92,969.36 : x
  2. Step 2: Convert to fraction form
    329,607.62/494,367.70 = 92,969.36/x
  3. Step 3: Cross multiply
    329,607.62x = 494,367.70 × 92,969.36
  4. Step 4: Simplify right side
    329,607.62x = 45,961,048,673.67
  5. Step 5: Solve for x
    x = 45,961,048,673.67/329,607.62
  6. Step 6: Final answer
    x = 139,441.71

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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.