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Finding the Fourth Proportional to 329,695.38, 454,979.88 and 178,792.38

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Solution

The fourth proportional to 329,695.38, 454,979.88 and 178,792.38 is: 246,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,695.38 : 454,979.88 = 178,792.38 : x
  2. Step 2: Convert to fraction form
    329,695.38/454,979.88 = 178,792.38/x
  3. Step 3: Cross multiply
    329,695.38x = 454,979.88 × 178,792.38
  4. Step 4: Simplify right side
    329,695.38x = 81,346,935,597.31
  5. Step 5: Solve for x
    x = 81,346,935,597.31/329,695.38
  6. Step 6: Final answer
    x = 246,733.62

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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.