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Finding the Fourth Proportional to 568,698.94, 853,704.50 and 288,806.68

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Solution

The fourth proportional to 568,698.94, 853,704.50 and 288,806.68 is: 433,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,698.94 : 853,704.50 = 288,806.68 : x
  2. Step 2: Convert to fraction form
    568,698.94/853,704.50 = 288,806.68/x
  3. Step 3: Cross multiply
    568,698.94x = 853,704.50 × 288,806.68
  4. Step 4: Simplify right side
    568,698.94x = 246,555,562,346.06
  5. Step 5: Solve for x
    x = 246,555,562,346.06/568,698.94
  6. Step 6: Final answer
    x = 433,543.21

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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.