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Finding the Fourth Proportional to 447,891.80, 671,833.50 and 181,589.00

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Solution

The fourth proportional to 447,891.80, 671,833.50 and 181,589.00 is: 272,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,891.80 : 671,833.50 = 181,589.00 : x
  2. Step 2: Convert to fraction form
    447,891.80/671,833.50 = 181,589.00/x
  3. Step 3: Cross multiply
    447,891.80x = 671,833.50 × 181,589.00
  4. Step 4: Simplify right side
    447,891.80x = 121,997,570,072.33
  5. Step 5: Solve for x
    x = 121,997,570,072.33/447,891.80
  6. Step 6: Final answer
    x = 272,381.79

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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.