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Finding the Fourth Proportional to 644,910.52, 967,368.04 and 195,635.26

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Solution

The fourth proportional to 644,910.52, 967,368.04 and 195,635.26 is: 293,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,910.52 : 967,368.04 = 195,635.26 : x
  2. Step 2: Convert to fraction form
    644,910.52/967,368.04 = 195,635.26/x
  3. Step 3: Cross multiply
    644,910.52x = 967,368.04 × 195,635.26
  4. Step 4: Simplify right side
    644,910.52x = 189,251,298,021.09
  5. Step 5: Solve for x
    x = 189,251,298,021.09/644,910.52
  6. Step 6: Final answer
    x = 293,453.58

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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.