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Finding the Fourth Proportional to 323,694.60, 446,857 and 250,936.72

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Solution

The fourth proportional to 323,694.60, 446,857 and 250,936.72 is: 346,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,694.60 : 446,857 = 250,936.72 : x
  2. Step 2: Convert to fraction form
    323,694.60/446,857 = 250,936.72/x
  3. Step 3: Cross multiply
    323,694.60x = 446,857 × 250,936.72
  4. Step 4: Simplify right side
    323,694.60x = 112,132,829,889.04
  5. Step 5: Solve for x
    x = 112,132,829,889.04/323,694.60
  6. Step 6: Final answer
    x = 346,415.51

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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.