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Finding the Fourth Proportional to 263,999.40, 395,853.30 and 106,049.40

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Solution

The fourth proportional to 263,999.40, 395,853.30 and 106,049.40 is: 159,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,999.40 : 395,853.30 = 106,049.40 : x
  2. Step 2: Convert to fraction form
    263,999.40/395,853.30 = 106,049.40/x
  3. Step 3: Cross multiply
    263,999.40x = 395,853.30 × 106,049.40
  4. Step 4: Simplify right side
    263,999.40x = 41,980,004,953.02
  5. Step 5: Solve for x
    x = 41,980,004,953.02/263,999.40
  6. Step 6: Final answer
    x = 159,015.53

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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.