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Finding the Fourth Proportional to 329,643.66, 454,906.35 and 178,737.42

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Solution

The fourth proportional to 329,643.66, 454,906.35 and 178,737.42 is: 246,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,643.66 : 454,906.35 = 178,737.42 : x
  2. Step 2: Convert to fraction form
    329,643.66/454,906.35 = 178,737.42/x
  3. Step 3: Cross multiply
    329,643.66x = 454,906.35 × 178,737.42
  4. Step 4: Simplify right side
    329,643.66x = 81,308,787,340.62
  5. Step 5: Solve for x
    x = 81,308,787,340.62/329,643.66
  6. Step 6: Final answer
    x = 246,656.61

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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.