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Finding the Fourth Proportional to 329,876.66, 494,863.60 and 119,465.40

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Solution

The fourth proportional to 329,876.66, 494,863.60 and 119,465.40 is: 179,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,876.66 : 494,863.60 = 119,465.40 : x
  2. Step 2: Convert to fraction form
    329,876.66/494,863.60 = 119,465.40/x
  3. Step 3: Cross multiply
    329,876.66x = 494,863.60 × 119,465.40
  4. Step 4: Simplify right side
    329,876.66x = 59,119,077,919.44
  5. Step 5: Solve for x
    x = 59,119,077,919.44/329,876.66
  6. Step 6: Final answer
    x = 179,215.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.