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Finding the Fourth Proportional to 359,568.36, 496,195.19 and 198,421.30

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Solution

The fourth proportional to 359,568.36, 496,195.19 and 198,421.30 is: 273,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,568.36 : 496,195.19 = 198,421.30 : x
  2. Step 2: Convert to fraction form
    359,568.36/496,195.19 = 198,421.30/x
  3. Step 3: Cross multiply
    359,568.36x = 496,195.19 × 198,421.30
  4. Step 4: Simplify right side
    359,568.36x = 98,455,694,653.55
  5. Step 5: Solve for x
    x = 98,455,694,653.55/359,568.36
  6. Step 6: Final answer
    x = 273,816.35

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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.