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Finding the Fourth Proportional to 568,790.22, 784,898.19 and 327,034.38

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Solution

The fourth proportional to 568,790.22, 784,898.19 and 327,034.38 is: 451,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,790.22 : 784,898.19 = 327,034.38 : x
  2. Step 2: Convert to fraction form
    568,790.22/784,898.19 = 327,034.38/x
  3. Step 3: Cross multiply
    568,790.22x = 784,898.19 × 327,034.38
  4. Step 4: Simplify right side
    568,790.22x = 256,688,692,929.77
  5. Step 5: Solve for x
    x = 256,688,692,929.77/568,790.22
  6. Step 6: Final answer
    x = 451,288.87

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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.