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Finding the Fourth Proportional to 568,049.76, 783,662.85 and 326,276.91

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Solution

The fourth proportional to 568,049.76, 783,662.85 and 326,276.91 is: 450,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,049.76 : 783,662.85 = 326,276.91 : x
  2. Step 2: Convert to fraction form
    568,049.76/783,662.85 = 326,276.91/x
  3. Step 3: Cross multiply
    568,049.76x = 783,662.85 × 326,276.91
  4. Step 4: Simplify right side
    568,049.76x = 255,691,093,179.79
  5. Step 5: Solve for x
    x = 255,691,093,179.79/568,049.76
  6. Step 6: Final answer
    x = 450,120.94

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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.