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Finding the Fourth Proportional to 307,580.82, 424,451.59 and 167,874.04

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Solution

The fourth proportional to 307,580.82, 424,451.59 and 167,874.04 is: 231,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,580.82 : 424,451.59 = 167,874.04 : x
  2. Step 2: Convert to fraction form
    307,580.82/424,451.59 = 167,874.04/x
  3. Step 3: Cross multiply
    307,580.82x = 424,451.59 × 167,874.04
  4. Step 4: Simplify right side
    307,580.82x = 71,254,405,446.66
  5. Step 5: Solve for x
    x = 71,254,405,446.66/307,580.82
  6. Step 6: Final answer
    x = 231,660.76

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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.