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Finding the Fourth Proportional to 447,891.29, 671,832.76 and 181,588.49

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Solution

The fourth proportional to 447,891.29, 671,832.76 and 181,588.49 is: 272,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,891.29 : 671,832.76 = 181,588.49 : x
  2. Step 2: Convert to fraction form
    447,891.29/671,832.76 = 181,588.49/x
  3. Step 3: Cross multiply
    447,891.29x = 671,832.76 × 181,588.49
  4. Step 4: Simplify right side
    447,891.29x = 121,997,096,420.93
  5. Step 5: Solve for x
    x = 121,997,096,420.93/447,891.29
  6. Step 6: Final answer
    x = 272,381.04

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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.