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Finding the Fourth Proportional to 567,791.91, 851,865.54 and 168,434.79

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Solution

The fourth proportional to 567,791.91, 851,865.54 and 168,434.79 is: 252,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,791.91 : 851,865.54 = 168,434.79 : x
  2. Step 2: Convert to fraction form
    567,791.91/851,865.54 = 168,434.79/x
  3. Step 3: Cross multiply
    567,791.91x = 851,865.54 × 168,434.79
  4. Step 4: Simplify right side
    567,791.91x = 143,483,793,338.14
  5. Step 5: Solve for x
    x = 143,483,793,338.14/567,791.91
  6. Step 6: Final answer
    x = 252,704.89

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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.