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Finding the Fourth Proportional to 359,699.68, 496,383.82 and 198,553.31

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Solution

The fourth proportional to 359,699.68, 496,383.82 and 198,553.31 is: 274,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,699.68 : 496,383.82 = 198,553.31 : x
  2. Step 2: Convert to fraction form
    359,699.68/496,383.82 = 198,553.31/x
  3. Step 3: Cross multiply
    359,699.68x = 496,383.82 × 198,553.31
  4. Step 4: Simplify right side
    359,699.68x = 98,558,649,498.68
  5. Step 5: Solve for x
    x = 98,558,649,498.68/359,699.68
  6. Step 6: Final answer
    x = 274,002.61

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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.