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Finding the Fourth Proportional to 322,496.66, 445,034.04 and 177,301.39

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Solution

The fourth proportional to 322,496.66, 445,034.04 and 177,301.39 is: 244,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,496.66 : 445,034.04 = 177,301.39 : x
  2. Step 2: Convert to fraction form
    322,496.66/445,034.04 = 177,301.39/x
  3. Step 3: Cross multiply
    322,496.66x = 445,034.04 × 177,301.39
  4. Step 4: Simplify right side
    322,496.66x = 78,905,153,889.32
  5. Step 5: Solve for x
    x = 78,905,153,889.32/322,496.66
  6. Step 6: Final answer
    x = 244,669.68

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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.