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Finding the Fourth Proportional to 700,660.41, 966,906.97 and 394,835.03

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Solution

The fourth proportional to 700,660.41, 966,906.97 and 394,835.03 is: 544,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,660.41 : 966,906.97 = 394,835.03 : x
  2. Step 2: Convert to fraction form
    700,660.41/966,906.97 = 394,835.03/x
  3. Step 3: Cross multiply
    700,660.41x = 966,906.97 × 394,835.03
  4. Step 4: Simplify right side
    700,660.41x = 381,768,740,532.98
  5. Step 5: Solve for x
    x = 381,768,740,532.98/700,660.41
  6. Step 6: Final answer
    x = 544,869.86

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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.