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Finding the Fourth Proportional to 329,024.53, 454,054.01 and 178,121.53

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Solution

The fourth proportional to 329,024.53, 454,054.01 and 178,121.53 is: 245,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,024.53 : 454,054.01 = 178,121.53 : x
  2. Step 2: Convert to fraction form
    329,024.53/454,054.01 = 178,121.53/x
  3. Step 3: Cross multiply
    329,024.53x = 454,054.01 × 178,121.53
  4. Step 4: Simplify right side
    329,024.53x = 80,876,794,963.84
  5. Step 5: Solve for x
    x = 80,876,794,963.84/329,024.53
  6. Step 6: Final answer
    x = 245,807.80

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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.