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Finding the Fourth Proportional to 341,781.54, 471,644.20 and 196,576.34

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Solution

The fourth proportional to 341,781.54, 471,644.20 and 196,576.34 is: 271,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,781.54 : 471,644.20 = 196,576.34 : x
  2. Step 2: Convert to fraction form
    341,781.54/471,644.20 = 196,576.34/x
  3. Step 3: Cross multiply
    341,781.54x = 471,644.20 × 196,576.34
  4. Step 4: Simplify right side
    341,781.54x = 92,714,088,505.73
  5. Step 5: Solve for x
    x = 92,714,088,505.73/341,781.54
  6. Step 6: Final answer
    x = 271,267.11

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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.