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Finding the Fourth Proportional to 568,851.42, 853,743.53 and 288,448.86

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Solution

The fourth proportional to 568,851.42, 853,743.53 and 288,448.86 is: 432,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,851.42 : 853,743.53 = 288,448.86 : x
  2. Step 2: Convert to fraction form
    568,851.42/853,743.53 = 288,448.86/x
  3. Step 3: Cross multiply
    568,851.42x = 853,743.53 × 288,448.86
  4. Step 4: Simplify right side
    568,851.42x = 246,261,347,960.88
  5. Step 5: Solve for x
    x = 246,261,347,960.88/568,851.42
  6. Step 6: Final answer
    x = 432,909.79

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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.