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Finding the Fourth Proportional to 323,331.41, 446,042.79 and 251,217.92

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Solution

The fourth proportional to 323,331.41, 446,042.79 and 251,217.92 is: 346,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,331.41 : 446,042.79 = 251,217.92 : x
  2. Step 2: Convert to fraction form
    323,331.41/446,042.79 = 251,217.92/x
  3. Step 3: Cross multiply
    323,331.41x = 446,042.79 × 251,217.92
  4. Step 4: Simplify right side
    323,331.41x = 112,053,939,704.58
  5. Step 5: Solve for x
    x = 112,053,939,704.58/323,331.41
  6. Step 6: Final answer
    x = 346,560.64

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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.