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Finding the Fourth Proportional to 294,791.43, 406,813.54 and 167,474.01

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Solution

The fourth proportional to 294,791.43, 406,813.54 and 167,474.01 is: 231,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,791.43 : 406,813.54 = 167,474.01 : x
  2. Step 2: Convert to fraction form
    294,791.43/406,813.54 = 167,474.01/x
  3. Step 3: Cross multiply
    294,791.43x = 406,813.54 × 167,474.01
  4. Step 4: Simplify right side
    294,791.43x = 68,130,696,286.97
  5. Step 5: Solve for x
    x = 68,130,696,286.97/294,791.43
  6. Step 6: Final answer
    x = 231,114.91

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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.