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Finding the Fourth Proportional to 567,791.42, 851,864.78 and 168,434.28

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Solution

The fourth proportional to 567,791.42, 851,864.78 and 168,434.28 is: 252,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,791.42 : 851,864.78 = 168,434.28 : x
  2. Step 2: Convert to fraction form
    567,791.42/851,864.78 = 168,434.28/x
  3. Step 3: Cross multiply
    567,791.42x = 851,864.78 × 168,434.28
  4. Step 4: Simplify right side
    567,791.42x = 143,483,230,876.66
  5. Step 5: Solve for x
    x = 143,483,230,876.66/567,791.42
  6. Step 6: Final answer
    x = 252,704.12

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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.