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Finding the Fourth Proportional to 347,447.27, 479,483.65 and 196,544.27

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Solution

The fourth proportional to 347,447.27, 479,483.65 and 196,544.27 is: 271,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,447.27 : 479,483.65 = 196,544.27 : x
  2. Step 2: Convert to fraction form
    347,447.27/479,483.65 = 196,544.27/x
  3. Step 3: Cross multiply
    347,447.27x = 479,483.65 × 196,544.27
  4. Step 4: Simplify right side
    347,447.27x = 94,239,765,410.58
  5. Step 5: Solve for x
    x = 94,239,765,410.58/347,447.27
  6. Step 6: Final answer
    x = 271,234.73

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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.