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Finding the Fourth Proportional to 322,196.32, 444,630.96 and 178,969.68

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Solution

The fourth proportional to 322,196.32, 444,630.96 and 178,969.68 is: 246,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,196.32 : 444,630.96 = 178,969.68 : x
  2. Step 2: Convert to fraction form
    322,196.32/444,630.96 = 178,969.68/x
  3. Step 3: Cross multiply
    322,196.32x = 444,630.96 × 178,969.68
  4. Step 4: Simplify right side
    322,196.32x = 79,575,460,629.29
  5. Step 5: Solve for x
    x = 79,575,460,629.29/322,196.32
  6. Step 6: Final answer
    x = 246,978.18

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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.