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Finding the Fourth Proportional to 263,591.73, 363,783.44 and 190,064.64

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Solution

The fourth proportional to 263,591.73, 363,783.44 and 190,064.64 is: 262,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,591.73 : 363,783.44 = 190,064.64 : x
  2. Step 2: Convert to fraction form
    263,591.73/363,783.44 = 190,064.64/x
  3. Step 3: Cross multiply
    263,591.73x = 363,783.44 × 190,064.64
  4. Step 4: Simplify right side
    263,591.73x = 69,142,370,400.91
  5. Step 5: Solve for x
    x = 69,142,370,400.91/263,591.73
  6. Step 6: Final answer
    x = 262,308.57

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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.