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Finding the Fourth Proportional to 644,497.38, 967,189.77 and 223,773.30

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Solution

The fourth proportional to 644,497.38, 967,189.77 and 223,773.30 is: 335,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,497.38 : 967,189.77 = 223,773.30 : x
  2. Step 2: Convert to fraction form
    644,497.38/967,189.77 = 223,773.30/x
  3. Step 3: Cross multiply
    644,497.38x = 967,189.77 × 223,773.30
  4. Step 4: Simplify right side
    644,497.38x = 216,431,246,559.14
  5. Step 5: Solve for x
    x = 216,431,246,559.14/644,497.38
  6. Step 6: Final answer
    x = 335,814.01

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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.