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Finding the Fourth Proportional to 568,981.64, 853,479.48 and 169,635.44

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Solution

The fourth proportional to 568,981.64, 853,479.48 and 169,635.44 is: 254,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,981.64 : 853,479.48 = 169,635.44 : x
  2. Step 2: Convert to fraction form
    568,981.64/853,479.48 = 169,635.44/x
  3. Step 3: Cross multiply
    568,981.64x = 853,479.48 × 169,635.44
  4. Step 4: Simplify right side
    568,981.64x = 144,780,367,120.77
  5. Step 5: Solve for x
    x = 144,780,367,120.77/568,981.64
  6. Step 6: Final answer
    x = 254,455.25

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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.