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Finding the Fourth Proportional to 313,796.44, 433,041.66 and 170,556.52

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Solution

The fourth proportional to 313,796.44, 433,041.66 and 170,556.52 is: 235,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,796.44 : 433,041.66 = 170,556.52 : x
  2. Step 2: Convert to fraction form
    313,796.44/433,041.66 = 170,556.52/x
  3. Step 3: Cross multiply
    313,796.44x = 433,041.66 × 170,556.52
  4. Step 4: Simplify right side
    313,796.44x = 73,858,078,544.62
  5. Step 5: Solve for x
    x = 73,858,078,544.62/313,796.44
  6. Step 6: Final answer
    x = 235,369.40

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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.