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Finding the Fourth Proportional to 568,604.75, 784,653.96 and 313,950.47

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Solution

The fourth proportional to 568,604.75, 784,653.96 and 313,950.47 is: 433,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,604.75 : 784,653.96 = 313,950.47 : x
  2. Step 2: Convert to fraction form
    568,604.75/784,653.96 = 313,950.47/x
  3. Step 3: Cross multiply
    568,604.75x = 784,653.96 × 313,950.47
  4. Step 4: Simplify right side
    568,604.75x = 246,342,479,529.36
  5. Step 5: Solve for x
    x = 246,342,479,529.36/568,604.75
  6. Step 6: Final answer
    x = 433,240.28

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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.