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Finding the Fourth Proportional to 568,931.15, 853,567.98 and 169,571.89

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Solution

The fourth proportional to 568,931.15, 853,567.98 and 169,571.89 is: 254,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,931.15 : 853,567.98 = 169,571.89 : x
  2. Step 2: Convert to fraction form
    568,931.15/853,567.98 = 169,571.89/x
  3. Step 3: Cross multiply
    568,931.15x = 853,567.98 × 169,571.89
  4. Step 4: Simplify right side
    568,931.15x = 144,741,135,612.08
  5. Step 5: Solve for x
    x = 144,741,135,612.08/568,931.15
  6. Step 6: Final answer
    x = 254,408.88

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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.