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Finding the Fourth Proportional to 534,667.86, 803,255.88 and 504,404.64

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Solution

The fourth proportional to 534,667.86, 803,255.88 and 504,404.64 is: 757,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,667.86 : 803,255.88 = 504,404.64 : x
  2. Step 2: Convert to fraction form
    534,667.86/803,255.88 = 504,404.64/x
  3. Step 3: Cross multiply
    534,667.86x = 803,255.88 × 504,404.64
  4. Step 4: Simplify right side
    534,667.86x = 405,165,992,979.28
  5. Step 5: Solve for x
    x = 405,165,992,979.28/534,667.86
  6. Step 6: Final answer
    x = 757,790.07

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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.