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Finding the Fourth Proportional to 483,596.19, 725,954.74 and 259,394.54

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Solution

The fourth proportional to 483,596.19, 725,954.74 and 259,394.54 is: 389,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,596.19 : 725,954.74 = 259,394.54 : x
  2. Step 2: Convert to fraction form
    483,596.19/725,954.74 = 259,394.54/x
  3. Step 3: Cross multiply
    483,596.19x = 725,954.74 × 259,394.54
  4. Step 4: Simplify right side
    483,596.19x = 188,308,691,564.86
  5. Step 5: Solve for x
    x = 188,308,691,564.86/483,596.19
  6. Step 6: Final answer
    x = 389,392.42

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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.