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Finding the Fourth Proportional to 448,958.22, 673,239.15 and 168,278.64

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Solution

The fourth proportional to 448,958.22, 673,239.15 and 168,278.64 is: 252,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,958.22 : 673,239.15 = 168,278.64 : x
  2. Step 2: Convert to fraction form
    448,958.22/673,239.15 = 168,278.64/x
  3. Step 3: Cross multiply
    448,958.22x = 673,239.15 × 168,278.64
  4. Step 4: Simplify right side
    448,958.22x = 113,291,768,556.76
  5. Step 5: Solve for x
    x = 113,291,768,556.76/448,958.22
  6. Step 6: Final answer
    x = 252,343.68

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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.