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Finding the Fourth Proportional to 263,611.64, 395,229.54 and 123,293.72

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Solution

The fourth proportional to 263,611.64, 395,229.54 and 123,293.72 is: 184,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,611.64 : 395,229.54 = 123,293.72 : x
  2. Step 2: Convert to fraction form
    263,611.64/395,229.54 = 123,293.72/x
  3. Step 3: Cross multiply
    263,611.64x = 395,229.54 × 123,293.72
  4. Step 4: Simplify right side
    263,611.64x = 48,729,320,240.49
  5. Step 5: Solve for x
    x = 48,729,320,240.49/263,611.64
  6. Step 6: Final answer
    x = 184,852.69

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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.