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Finding the Fourth Proportional to 447,892.43, 671,834.45 and 181,589.63

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Solution

The fourth proportional to 447,892.43, 671,834.45 and 181,589.63 is: 272,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,892.43 : 671,834.45 = 181,589.63 : x
  2. Step 2: Convert to fraction form
    447,892.43/671,834.45 = 181,589.63/x
  3. Step 3: Cross multiply
    447,892.43x = 671,834.45 × 181,589.63
  4. Step 4: Simplify right side
    447,892.43x = 121,998,164,929.63
  5. Step 5: Solve for x
    x = 121,998,164,929.63/447,892.43
  6. Step 6: Final answer
    x = 272,382.74

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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.