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Finding the Fourth Proportional to 359,464.39, 496,062.60 and 198,319.44

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Solution

The fourth proportional to 359,464.39, 496,062.60 and 198,319.44 is: 273,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,464.39 : 496,062.60 = 198,319.44 : x
  2. Step 2: Convert to fraction form
    359,464.39/496,062.60 = 198,319.44/x
  3. Step 3: Cross multiply
    359,464.39x = 496,062.60 × 198,319.44
  4. Step 4: Simplify right side
    359,464.39x = 98,378,857,036.94
  5. Step 5: Solve for x
    x = 98,378,857,036.94/359,464.39
  6. Step 6: Final answer
    x = 273,681.79

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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.