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Finding the Fourth Proportional to 323,883.90, 446,958.30 and 178,685.73

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Solution

The fourth proportional to 323,883.90, 446,958.30 and 178,685.73 is: 246,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,883.90 : 446,958.30 = 178,685.73 : x
  2. Step 2: Convert to fraction form
    323,883.90/446,958.30 = 178,685.73/x
  3. Step 3: Cross multiply
    323,883.90x = 446,958.30 × 178,685.73
  4. Step 4: Simplify right side
    323,883.90x = 79,865,070,785.13
  5. Step 5: Solve for x
    x = 79,865,070,785.13/323,883.90
  6. Step 6: Final answer
    x = 246,585.49

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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.