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Finding the Fourth Proportional to 329,704.48, 454,992.40 and 178,801.44

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Solution

The fourth proportional to 329,704.48, 454,992.40 and 178,801.44 is: 246,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,704.48 : 454,992.40 = 178,801.44 : x
  2. Step 2: Convert to fraction form
    329,704.48/454,992.40 = 178,801.44/x
  3. Step 3: Cross multiply
    329,704.48x = 454,992.40 × 178,801.44
  4. Step 4: Simplify right side
    329,704.48x = 81,353,296,309.06
  5. Step 5: Solve for x
    x = 81,353,296,309.06/329,704.48
  6. Step 6: Final answer
    x = 246,746.11

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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.