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Finding the Fourth Proportional to 568,735.76, 853,628.44 and 288,449.84

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Solution

The fourth proportional to 568,735.76, 853,628.44 and 288,449.84 is: 432,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,735.76 : 853,628.44 = 288,449.84 : x
  2. Step 2: Convert to fraction form
    568,735.76/853,628.44 = 288,449.84/x
  3. Step 3: Cross multiply
    568,735.76x = 853,628.44 × 288,449.84
  4. Step 4: Simplify right side
    568,735.76x = 246,228,986,937.45
  5. Step 5: Solve for x
    x = 246,228,986,937.45/568,735.76
  6. Step 6: Final answer
    x = 432,940.93

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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.