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Finding the Fourth Proportional to 329,467.52, 454,652.96 and 178,561.28

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Solution

The fourth proportional to 329,467.52, 454,652.96 and 178,561.28 is: 246,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,467.52 : 454,652.96 = 178,561.28 : x
  2. Step 2: Convert to fraction form
    329,467.52/454,652.96 = 178,561.28/x
  3. Step 3: Cross multiply
    329,467.52x = 454,652.96 × 178,561.28
  4. Step 4: Simplify right side
    329,467.52x = 81,183,414,493.39
  5. Step 5: Solve for x
    x = 81,183,414,493.39/329,467.52
  6. Step 6: Final answer
    x = 246,407.94

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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.