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Finding the Fourth Proportional to 263,450.40, 394,592.40 and 216,794.40

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Solution

The fourth proportional to 263,450.40, 394,592.40 and 216,794.40 is: 324,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,450.40 : 394,592.40 = 216,794.40 : x
  2. Step 2: Convert to fraction form
    263,450.40/394,592.40 = 216,794.40/x
  3. Step 3: Cross multiply
    263,450.40x = 394,592.40 × 216,794.40
  4. Step 4: Simplify right side
    263,450.40x = 85,545,422,602.56
  5. Step 5: Solve for x
    x = 85,545,422,602.56/263,450.40
  6. Step 6: Final answer
    x = 324,711.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.