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Finding the Fourth Proportional to 379,011.81, 568,814.85 and 264,414.39

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Solution

The fourth proportional to 379,011.81, 568,814.85 and 264,414.39 is: 396,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,011.81 : 568,814.85 = 264,414.39 : x
  2. Step 2: Convert to fraction form
    379,011.81/568,814.85 = 264,414.39/x
  3. Step 3: Cross multiply
    379,011.81x = 568,814.85 × 264,414.39
  4. Step 4: Simplify right side
    379,011.81x = 150,402,829,452.64
  5. Step 5: Solve for x
    x = 150,402,829,452.64/379,011.81
  6. Step 6: Final answer
    x = 396,828.87

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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.