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Finding the Fourth Proportional to 329,325.78, 454,469.22 and 178,422.78

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Solution

The fourth proportional to 329,325.78, 454,469.22 and 178,422.78 is: 246,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,325.78 : 454,469.22 = 178,422.78 : x
  2. Step 2: Convert to fraction form
    329,325.78/454,469.22 = 178,422.78/x
  3. Step 3: Cross multiply
    329,325.78x = 454,469.22 × 178,422.78
  4. Step 4: Simplify right side
    329,325.78x = 81,087,661,656.83
  5. Step 5: Solve for x
    x = 81,087,661,656.83/329,325.78
  6. Step 6: Final answer
    x = 246,223.24

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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.