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Finding the Fourth Proportional to 329,676.63, 455,042.46 and 193,801.63

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Solution

The fourth proportional to 329,676.63, 455,042.46 and 193,801.63 is: 267,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,676.63 : 455,042.46 = 193,801.63 : x
  2. Step 2: Convert to fraction form
    329,676.63/455,042.46 = 193,801.63/x
  3. Step 3: Cross multiply
    329,676.63x = 455,042.46 × 193,801.63
  4. Step 4: Simplify right side
    329,676.63x = 88,187,970,467.21
  5. Step 5: Solve for x
    x = 88,187,970,467.21/329,676.63
  6. Step 6: Final answer
    x = 267,498.40

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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.