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Finding the Fourth Proportional to 352,897.83, 486,998.02 and 191,753.44

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Solution

The fourth proportional to 352,897.83, 486,998.02 and 191,753.44 is: 264,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,897.83 : 486,998.02 = 191,753.44 : x
  2. Step 2: Convert to fraction form
    352,897.83/486,998.02 = 191,753.44/x
  3. Step 3: Cross multiply
    352,897.83x = 486,998.02 × 191,753.44
  4. Step 4: Simplify right side
    352,897.83x = 93,383,544,630.39
  5. Step 5: Solve for x
    x = 93,383,544,630.39/352,897.83
  6. Step 6: Final answer
    x = 264,619.21

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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.