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Finding the Fourth Proportional to 329,020.91, 454,049.01 and 178,117.91

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Solution

The fourth proportional to 329,020.91, 454,049.01 and 178,117.91 is: 245,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,020.91 : 454,049.01 = 178,117.91 : x
  2. Step 2: Convert to fraction form
    329,020.91/454,049.01 = 178,117.91/x
  3. Step 3: Cross multiply
    329,020.91x = 454,049.01 × 178,117.91
  4. Step 4: Simplify right side
    329,020.91x = 80,874,260,698.77
  5. Step 5: Solve for x
    x = 80,874,260,698.77/329,020.91
  6. Step 6: Final answer
    x = 245,802.80

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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.