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Finding the Fourth Proportional to 323,863.74, 446,930.58 and 178,665.60

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Solution

The fourth proportional to 323,863.74, 446,930.58 and 178,665.60 is: 246,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,863.74 : 446,930.58 = 178,665.60 : x
  2. Step 2: Convert to fraction form
    323,863.74/446,930.58 = 178,665.60/x
  3. Step 3: Cross multiply
    323,863.74x = 446,930.58 × 178,665.60
  4. Step 4: Simplify right side
    323,863.74x = 79,851,120,234.05
  5. Step 5: Solve for x
    x = 79,851,120,234.05/323,863.74
  6. Step 6: Final answer
    x = 246,557.77

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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.