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Finding the Fourth Proportional to 566,668.46, 782,016.49 and 308,559.54

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Solution

The fourth proportional to 566,668.46, 782,016.49 and 308,559.54 is: 425,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,668.46 : 782,016.49 = 308,559.54 : x
  2. Step 2: Convert to fraction form
    566,668.46/782,016.49 = 308,559.54/x
  3. Step 3: Cross multiply
    566,668.46x = 782,016.49 × 308,559.54
  4. Step 4: Simplify right side
    566,668.46x = 241,298,651,745.08
  5. Step 5: Solve for x
    x = 241,298,651,745.08/566,668.46
  6. Step 6: Final answer
    x = 425,819.80

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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.