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Finding the Fourth Proportional to 359,489.41, 496,110.39 and 198,354.90

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Solution

The fourth proportional to 359,489.41, 496,110.39 and 198,354.90 is: 273,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,489.41 : 496,110.39 = 198,354.90 : x
  2. Step 2: Convert to fraction form
    359,489.41/496,110.39 = 198,354.90/x
  3. Step 3: Cross multiply
    359,489.41x = 496,110.39 × 198,354.90
  4. Step 4: Simplify right side
    359,489.41x = 98,405,926,797.41
  5. Step 5: Solve for x
    x = 98,405,926,797.41/359,489.41
  6. Step 6: Final answer
    x = 273,738.04

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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.