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Finding the Fourth Proportional to 263,594.60, 363,760.74 and 142,736.84

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Solution

The fourth proportional to 263,594.60, 363,760.74 and 142,736.84 is: 196,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,594.60 : 363,760.74 = 142,736.84 : x
  2. Step 2: Convert to fraction form
    263,594.60/363,760.74 = 142,736.84/x
  3. Step 3: Cross multiply
    263,594.60x = 363,760.74 × 142,736.84
  4. Step 4: Simplify right side
    263,594.60x = 51,922,058,543.66
  5. Step 5: Solve for x
    x = 51,922,058,543.66/263,594.60
  6. Step 6: Final answer
    x = 196,976.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.