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Finding the Fourth Proportional to 263,195.60, 394,793.40 and 235,639.40

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Solution

The fourth proportional to 263,195.60, 394,793.40 and 235,639.40 is: 353,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,195.60 : 394,793.40 = 235,639.40 : x
  2. Step 2: Convert to fraction form
    263,195.60/394,793.40 = 235,639.40/x
  3. Step 3: Cross multiply
    263,195.60x = 394,793.40 × 235,639.40
  4. Step 4: Simplify right side
    263,195.60x = 93,028,879,899.96
  5. Step 5: Solve for x
    x = 93,028,879,899.96/263,195.60
  6. Step 6: Final answer
    x = 353,459.10

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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.