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Finding the Fourth Proportional to 272,083.56, 406,067.85 and 264,997.68

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Solution

The fourth proportional to 272,083.56, 406,067.85 and 264,997.68 is: 395,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,083.56 : 406,067.85 = 264,997.68 : x
  2. Step 2: Convert to fraction form
    272,083.56/406,067.85 = 264,997.68/x
  3. Step 3: Cross multiply
    272,083.56x = 406,067.85 × 264,997.68
  4. Step 4: Simplify right side
    272,083.56x = 107,607,038,172.59
  5. Step 5: Solve for x
    x = 107,607,038,172.59/272,083.56
  6. Step 6: Final answer
    x = 395,492.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.