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Finding the Fourth Proportional to 299,895.43, 449,620.90 and 181,538.77

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Solution

The fourth proportional to 299,895.43, 449,620.90 and 181,538.77 is: 272,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,895.43 : 449,620.90 = 181,538.77 : x
  2. Step 2: Convert to fraction form
    299,895.43/449,620.90 = 181,538.77/x
  3. Step 3: Cross multiply
    299,895.43x = 449,620.90 × 181,538.77
  4. Step 4: Simplify right side
    299,895.43x = 81,623,625,152.29
  5. Step 5: Solve for x
    x = 81,623,625,152.29/299,895.43
  6. Step 6: Final answer
    x = 272,173.62

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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.