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Finding the Fourth Proportional to 568,867.80, 853,071.30 and 194,698.20

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Solution

The fourth proportional to 568,867.80, 853,071.30 and 194,698.20 is: 291,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,867.80 : 853,071.30 = 194,698.20 : x
  2. Step 2: Convert to fraction form
    568,867.80/853,071.30 = 194,698.20/x
  3. Step 3: Cross multiply
    568,867.80x = 853,071.30 × 194,698.20
  4. Step 4: Simplify right side
    568,867.80x = 166,091,446,581.66
  5. Step 5: Solve for x
    x = 166,091,446,581.66/568,867.80
  6. Step 6: Final answer
    x = 291,968.44

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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.