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Finding the Fourth Proportional to 263,277.92, 394,841.52 and 85,800.44

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Solution

The fourth proportional to 263,277.92, 394,841.52 and 85,800.44 is: 128,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,277.92 : 394,841.52 = 85,800.44 : x
  2. Step 2: Convert to fraction form
    263,277.92/394,841.52 = 85,800.44/x
  3. Step 3: Cross multiply
    263,277.92x = 394,841.52 × 85,800.44
  4. Step 4: Simplify right side
    263,277.92x = 33,877,576,146.27
  5. Step 5: Solve for x
    x = 33,877,576,146.27/263,277.92
  6. Step 6: Final answer
    x = 128,676.10

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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.