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Finding the Fourth Proportional to 263,993.60, 395,452.80 and 163,846.40

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Solution

The fourth proportional to 263,993.60, 395,452.80 and 163,846.40 is: 245,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,993.60 : 395,452.80 = 163,846.40 : x
  2. Step 2: Convert to fraction form
    263,993.60/395,452.80 = 163,846.40/x
  3. Step 3: Cross multiply
    263,993.60x = 395,452.80 × 163,846.40
  4. Step 4: Simplify right side
    263,993.60x = 64,793,517,649.92
  5. Step 5: Solve for x
    x = 64,793,517,649.92/263,993.60
  6. Step 6: Final answer
    x = 245,435.94

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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.