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Finding the Fourth Proportional to 329,424.82, 454,606.23 and 178,521.82

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Solution

The fourth proportional to 329,424.82, 454,606.23 and 178,521.82 is: 246,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,424.82 : 454,606.23 = 178,521.82 : x
  2. Step 2: Convert to fraction form
    329,424.82/454,606.23 = 178,521.82/x
  3. Step 3: Cross multiply
    329,424.82x = 454,606.23 × 178,521.82
  4. Step 4: Simplify right side
    329,424.82x = 81,157,131,562.94
  5. Step 5: Solve for x
    x = 81,157,131,562.94/329,424.82
  6. Step 6: Final answer
    x = 246,360.10

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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.