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Finding the Fourth Proportional to 359,832.46, 496,570.90 and 198,684.46

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Solution

The fourth proportional to 359,832.46, 496,570.90 and 198,684.46 is: 274,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,832.46 : 496,570.90 = 198,684.46 : x
  2. Step 2: Convert to fraction form
    359,832.46/496,570.90 = 198,684.46/x
  3. Step 3: Cross multiply
    359,832.46x = 496,570.90 × 198,684.46
  4. Step 4: Simplify right side
    359,832.46x = 98,660,919,380.08
  5. Step 5: Solve for x
    x = 98,660,919,380.08/359,832.46
  6. Step 6: Final answer
    x = 274,185.71

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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.