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Finding the Fourth Proportional to 448,980.57, 673,469.24 and 116,556.57

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Solution

The fourth proportional to 448,980.57, 673,469.24 and 116,556.57 is: 174,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,980.57 : 673,469.24 = 116,556.57 : x
  2. Step 2: Convert to fraction form
    448,980.57/673,469.24 = 116,556.57/x
  3. Step 3: Cross multiply
    448,980.57x = 673,469.24 × 116,556.57
  4. Step 4: Simplify right side
    448,980.57x = 78,497,264,032.12
  5. Step 5: Solve for x
    x = 78,497,264,032.12/448,980.57
  6. Step 6: Final answer
    x = 174,834.43

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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.