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Finding the Fourth Proportional to 359,996.28, 496,785.32 and 198,847.88

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Solution

The fourth proportional to 359,996.28, 496,785.32 and 198,847.88 is: 274,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,996.28 : 496,785.32 = 198,847.88 : x
  2. Step 2: Convert to fraction form
    359,996.28/496,785.32 = 198,847.88/x
  3. Step 3: Cross multiply
    359,996.28x = 496,785.32 × 198,847.88
  4. Step 4: Simplify right side
    359,996.28x = 98,784,707,697.12
  5. Step 5: Solve for x
    x = 98,784,707,697.12/359,996.28
  6. Step 6: Final answer
    x = 274,404.80

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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.