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Finding the Fourth Proportional to 404,489.10, 606,965.48 and 164,558.73

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Solution

The fourth proportional to 404,489.10, 606,965.48 and 164,558.73 is: 246,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,489.10 : 606,965.48 = 164,558.73 : x
  2. Step 2: Convert to fraction form
    404,489.10/606,965.48 = 164,558.73/x
  3. Step 3: Cross multiply
    404,489.10x = 606,965.48 × 164,558.73
  4. Step 4: Simplify right side
    404,489.10x = 99,881,467,719.85
  5. Step 5: Solve for x
    x = 99,881,467,719.85/404,489.10
  6. Step 6: Final answer
    x = 246,932.41

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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.