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Finding the Fourth Proportional to 329,334.36, 454,480.32 and 178,431.36

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Solution

The fourth proportional to 329,334.36, 454,480.32 and 178,431.36 is: 246,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,334.36 : 454,480.32 = 178,431.36 : x
  2. Step 2: Convert to fraction form
    329,334.36/454,480.32 = 178,431.36/x
  3. Step 3: Cross multiply
    329,334.36x = 454,480.32 × 178,431.36
  4. Step 4: Simplify right side
    329,334.36x = 81,093,541,590.84
  5. Step 5: Solve for x
    x = 81,093,541,590.84/329,334.36
  6. Step 6: Final answer
    x = 246,234.68

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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.