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Finding the Fourth Proportional to 359,970.82, 496,790.49 and 198,843.46

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Solution

The fourth proportional to 359,970.82, 496,790.49 and 198,843.46 is: 274,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,970.82 : 496,790.49 = 198,843.46 : x
  2. Step 2: Convert to fraction form
    359,970.82/496,790.49 = 198,843.46/x
  3. Step 3: Cross multiply
    359,970.82x = 496,790.49 × 198,843.46
  4. Step 4: Simplify right side
    359,970.82x = 98,783,539,926.70
  5. Step 5: Solve for x
    x = 98,783,539,926.70/359,970.82
  6. Step 6: Final answer
    x = 274,420.97

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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.