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Finding the Fourth Proportional to 263,999.70, 395,902.35 and 130,835.70

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Solution

The fourth proportional to 263,999.70, 395,902.35 and 130,835.70 is: 196,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,999.70 : 395,902.35 = 130,835.70 : x
  2. Step 2: Convert to fraction form
    263,999.70/395,902.35 = 130,835.70/x
  3. Step 3: Cross multiply
    263,999.70x = 395,902.35 × 130,835.70
  4. Step 4: Simplify right side
    263,999.70x = 51,798,161,093.90
  5. Step 5: Solve for x
    x = 51,798,161,093.90/263,999.70
  6. Step 6: Final answer
    x = 196,205.38

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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.