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Finding the Fourth Proportional to 644,450.82, 967,120.01 and 223,726.70

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Solution

The fourth proportional to 644,450.82, 967,120.01 and 223,726.70 is: 335,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,450.82 : 967,120.01 = 223,726.70 : x
  2. Step 2: Convert to fraction form
    644,450.82/967,120.01 = 223,726.70/x
  3. Step 3: Cross multiply
    644,450.82x = 967,120.01 × 223,726.70
  4. Step 4: Simplify right side
    644,450.82x = 216,370,562,387.03
  5. Step 5: Solve for x
    x = 216,370,562,387.03/644,450.82
  6. Step 6: Final answer
    x = 335,744.10

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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.