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Finding the Fourth Proportional to 568,698.84, 853,045.56 and 147,974.04

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Solution

The fourth proportional to 568,698.84, 853,045.56 and 147,974.04 is: 221,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,698.84 : 853,045.56 = 147,974.04 : x
  2. Step 2: Convert to fraction form
    568,698.84/853,045.56 = 147,974.04/x
  3. Step 3: Cross multiply
    568,698.84x = 853,045.56 × 147,974.04
  4. Step 4: Simplify right side
    568,698.84x = 126,228,597,817.26
  5. Step 5: Solve for x
    x = 126,228,597,817.26/568,698.84
  6. Step 6: Final answer
    x = 221,960.36

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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.