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Finding the Fourth Proportional to 534,668.79, 803,257.42 and 504,405.57

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Solution

The fourth proportional to 534,668.79, 803,257.42 and 504,405.57 is: 757,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,668.79 : 803,257.42 = 504,405.57 : x
  2. Step 2: Convert to fraction form
    534,668.79/803,257.42 = 504,405.57/x
  3. Step 3: Cross multiply
    534,668.79x = 803,257.42 × 504,405.57
  4. Step 4: Simplify right side
    534,668.79x = 405,167,511,514.53
  5. Step 5: Solve for x
    x = 405,167,511,514.53/534,668.79
  6. Step 6: Final answer
    x = 757,791.60

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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.