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Finding the Fourth Proportional to 447,892.42, 671,834.45 and 181,589.64

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Solution

The fourth proportional to 447,892.42, 671,834.45 and 181,589.64 is: 272,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,892.42 : 671,834.45 = 181,589.64 : x
  2. Step 2: Convert to fraction form
    447,892.42/671,834.45 = 181,589.64/x
  3. Step 3: Cross multiply
    447,892.42x = 671,834.45 × 181,589.64
  4. Step 4: Simplify right side
    447,892.42x = 121,998,172,555.93
  5. Step 5: Solve for x
    x = 121,998,172,555.93/447,892.42
  6. Step 6: Final answer
    x = 272,382.76

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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.