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Finding the Fourth Proportional to 483,212.39, 667,166.63 and 302,005.67

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Solution

The fourth proportional to 483,212.39, 667,166.63 and 302,005.67 is: 416,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,212.39 : 667,166.63 = 302,005.67 : x
  2. Step 2: Convert to fraction form
    483,212.39/667,166.63 = 302,005.67/x
  3. Step 3: Cross multiply
    483,212.39x = 667,166.63 × 302,005.67
  4. Step 4: Simplify right side
    483,212.39x = 201,488,100,248.93
  5. Step 5: Solve for x
    x = 201,488,100,248.93/483,212.39
  6. Step 6: Final answer
    x = 416,976.27

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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.