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Finding the Fourth Proportional to 329,435.67, 454,621.16 and 178,532.67

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Solution

The fourth proportional to 329,435.67, 454,621.16 and 178,532.67 is: 246,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,435.67 : 454,621.16 = 178,532.67 : x
  2. Step 2: Convert to fraction form
    329,435.67/454,621.16 = 178,532.67/x
  3. Step 3: Cross multiply
    329,435.67x = 454,621.16 × 178,532.67
  4. Step 4: Simplify right side
    329,435.67x = 81,164,728,640.63
  5. Step 5: Solve for x
    x = 81,164,728,640.63/329,435.67
  6. Step 6: Final answer
    x = 246,375.05

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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.