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Finding the Fourth Proportional to 329,325.56, 454,469.06 and 178,422.56

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Solution

The fourth proportional to 329,325.56, 454,469.06 and 178,422.56 is: 246,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,325.56 : 454,469.06 = 178,422.56 : x
  2. Step 2: Convert to fraction form
    329,325.56/454,469.06 = 178,422.56/x
  3. Step 3: Cross multiply
    329,325.56x = 454,469.06 × 178,422.56
  4. Step 4: Simplify right side
    329,325.56x = 81,087,533,125.99
  5. Step 5: Solve for x
    x = 81,087,533,125.99/329,325.56
  6. Step 6: Final answer
    x = 246,223.02

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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.