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Finding the Fourth Proportional to 481,367.40, 721,852.38 and 181,797

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Solution

The fourth proportional to 481,367.40, 721,852.38 and 181,797 is: 272,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,367.40 : 721,852.38 = 181,797 : x
  2. Step 2: Convert to fraction form
    481,367.40/721,852.38 = 181,797/x
  3. Step 3: Cross multiply
    481,367.40x = 721,852.38 × 181,797
  4. Step 4: Simplify right side
    481,367.40x = 131,230,597,126.86
  5. Step 5: Solve for x
    x = 131,230,597,126.86/481,367.40
  6. Step 6: Final answer
    x = 272,620.45

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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.