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Finding the Fourth Proportional to 329,181.67, 454,272.60 and 178,278.67

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Solution

The fourth proportional to 329,181.67, 454,272.60 and 178,278.67 is: 246,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,181.67 : 454,272.60 = 178,278.67 : x
  2. Step 2: Convert to fraction form
    329,181.67/454,272.60 = 178,278.67/x
  3. Step 3: Cross multiply
    329,181.67x = 454,272.60 × 178,278.67
  4. Step 4: Simplify right side
    329,181.67x = 80,987,114,945.44
  5. Step 5: Solve for x
    x = 80,987,114,945.44/329,181.67
  6. Step 6: Final answer
    x = 246,025.59

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1.5x scale

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.