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Finding the Fourth Proportional to 298,881.66, 412,481.37 and 171,581.82

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Solution

The fourth proportional to 298,881.66, 412,481.37 and 171,581.82 is: 236,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,881.66 : 412,481.37 = 171,581.82 : x
  2. Step 2: Convert to fraction form
    298,881.66/412,481.37 = 171,581.82/x
  3. Step 3: Cross multiply
    298,881.66x = 412,481.37 × 171,581.82
  4. Step 4: Simplify right side
    298,881.66x = 70,774,304,180.69
  5. Step 5: Solve for x
    x = 70,774,304,180.69/298,881.66
  6. Step 6: Final answer
    x = 236,797.08

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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.