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Finding the Fourth Proportional to 481,363.40, 721,846.38 and 181,793

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Solution

The fourth proportional to 481,363.40, 721,846.38 and 181,793 is: 272,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,363.40 : 721,846.38 = 181,793 : x
  2. Step 2: Convert to fraction form
    481,363.40/721,846.38 = 181,793/x
  3. Step 3: Cross multiply
    481,363.40x = 721,846.38 × 181,793
  4. Step 4: Simplify right side
    481,363.40x = 131,226,618,959.34
  5. Step 5: Solve for x
    x = 131,226,618,959.34/481,363.40
  6. Step 6: Final answer
    x = 272,614.45

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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.