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Finding the Fourth Proportional to 359,536.44, 496,159.68 and 198,391.36

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Solution

The fourth proportional to 359,536.44, 496,159.68 and 198,391.36 is: 273,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,536.44 : 496,159.68 = 198,391.36 : x
  2. Step 2: Convert to fraction form
    359,536.44/496,159.68 = 198,391.36/x
  3. Step 3: Cross multiply
    359,536.44x = 496,159.68 × 198,391.36
  4. Step 4: Simplify right side
    359,536.44x = 98,433,793,692.36
  5. Step 5: Solve for x
    x = 98,433,793,692.36/359,536.44
  6. Step 6: Final answer
    x = 273,779.74

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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.