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Finding the Fourth Proportional to 568,861.80, 853,062.30 and 194,692.20

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Solution

The fourth proportional to 568,861.80, 853,062.30 and 194,692.20 is: 291,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,861.80 : 853,062.30 = 194,692.20 : x
  2. Step 2: Convert to fraction form
    568,861.80/853,062.30 = 194,692.20/x
  3. Step 3: Cross multiply
    568,861.80x = 853,062.30 × 194,692.20
  4. Step 4: Simplify right side
    568,861.80x = 166,084,575,924.06
  5. Step 5: Solve for x
    x = 166,084,575,924.06/568,861.80
  6. Step 6: Final answer
    x = 291,959.45

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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.