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Finding the Fourth Proportional to 359,768.49, 496,481.25 and 198,623.85

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Solution

The fourth proportional to 359,768.49, 496,481.25 and 198,623.85 is: 274,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,768.49 : 496,481.25 = 198,623.85 : x
  2. Step 2: Convert to fraction form
    359,768.49/496,481.25 = 198,623.85/x
  3. Step 3: Cross multiply
    359,768.49x = 496,481.25 × 198,623.85
  4. Step 4: Simplify right side
    359,768.49x = 98,613,015,093.59
  5. Step 5: Solve for x
    x = 98,613,015,093.59/359,768.49
  6. Step 6: Final answer
    x = 274,101.31

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1.5x scale

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.