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Finding the Fourth Proportional to 359,394.44, 538,633.67 and 190,995.44

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Solution

The fourth proportional to 359,394.44, 538,633.67 and 190,995.44 is: 286,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,394.44 : 538,633.67 = 190,995.44 : x
  2. Step 2: Convert to fraction form
    359,394.44/538,633.67 = 190,995.44/x
  3. Step 3: Cross multiply
    359,394.44x = 538,633.67 × 190,995.44
  4. Step 4: Simplify right side
    359,394.44x = 102,876,571,152.32
  5. Step 5: Solve for x
    x = 102,876,571,152.32/359,394.44
  6. Step 6: Final answer
    x = 286,249.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.