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Finding the Fourth Proportional to 568,848.80, 853,042.80 and 194,679.20

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Solution

The fourth proportional to 568,848.80, 853,042.80 and 194,679.20 is: 291,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,848.80 : 853,042.80 = 194,679.20 : x
  2. Step 2: Convert to fraction form
    568,848.80/853,042.80 = 194,679.20/x
  3. Step 3: Cross multiply
    568,848.80x = 853,042.80 × 194,679.20
  4. Step 4: Simplify right side
    568,848.80x = 166,069,689,869.76
  5. Step 5: Solve for x
    x = 166,069,689,869.76/568,848.80
  6. Step 6: Final answer
    x = 291,939.95

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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.