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Finding the Fourth Proportional to 359,969.82, 496,789.11 and 198,842.46

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Solution

The fourth proportional to 359,969.82, 496,789.11 and 198,842.46 is: 274,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,969.82 : 496,789.11 = 198,842.46 : x
  2. Step 2: Convert to fraction form
    359,969.82/496,789.11 = 198,842.46/x
  3. Step 3: Cross multiply
    359,969.82x = 496,789.11 × 198,842.46
  4. Step 4: Simplify right side
    359,969.82x = 98,782,768,733.61
  5. Step 5: Solve for x
    x = 98,782,768,733.61/359,969.82
  6. Step 6: Final answer
    x = 274,419.59

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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.