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Finding the Fourth Proportional to 352,897.77, 486,997.94 and 191,753.38

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Solution

The fourth proportional to 352,897.77, 486,997.94 and 191,753.38 is: 264,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,897.77 : 486,997.94 = 191,753.38 : x
  2. Step 2: Convert to fraction form
    352,897.77/486,997.94 = 191,753.38/x
  3. Step 3: Cross multiply
    352,897.77x = 486,997.94 × 191,753.38
  4. Step 4: Simplify right side
    352,897.77x = 93,383,497,654.28
  5. Step 5: Solve for x
    x = 93,383,497,654.28/352,897.77
  6. Step 6: Final answer
    x = 264,619.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.