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Finding the Fourth Proportional to 433,396.89, 650,123.86 and 113,556.59

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Solution

The fourth proportional to 433,396.89, 650,123.86 and 113,556.59 is: 170,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,396.89 : 650,123.86 = 113,556.59 : x
  2. Step 2: Convert to fraction form
    433,396.89/650,123.86 = 113,556.59/x
  3. Step 3: Cross multiply
    433,396.89x = 650,123.86 × 113,556.59
  4. Step 4: Simplify right side
    433,396.89x = 73,825,848,619.24
  5. Step 5: Solve for x
    x = 73,825,848,619.24/433,396.89
  6. Step 6: Final answer
    x = 170,342.36

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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.