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Finding the Fourth Proportional to 329,398.56, 454,570.25 and 178,495.56

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Solution

The fourth proportional to 329,398.56, 454,570.25 and 178,495.56 is: 246,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,398.56 : 454,570.25 = 178,495.56 : x
  2. Step 2: Convert to fraction form
    329,398.56/454,570.25 = 178,495.56/x
  3. Step 3: Cross multiply
    329,398.56x = 454,570.25 × 178,495.56
  4. Step 4: Simplify right side
    329,398.56x = 81,138,770,440.61
  5. Step 5: Solve for x
    x = 81,138,770,440.61/329,398.56
  6. Step 6: Final answer
    x = 246,324.00

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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.