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Finding the Fourth Proportional to 329,676.92, 494,718.42 and 129,963.32

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Solution

The fourth proportional to 329,676.92, 494,718.42 and 129,963.32 is: 195,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,676.92 : 494,718.42 = 129,963.32 : x
  2. Step 2: Convert to fraction form
    329,676.92/494,718.42 = 129,963.32/x
  3. Step 3: Cross multiply
    329,676.92x = 494,718.42 × 129,963.32
  4. Step 4: Simplify right side
    329,676.92x = 64,295,248,328.35
  5. Step 5: Solve for x
    x = 64,295,248,328.35/329,676.92
  6. Step 6: Final answer
    x = 195,025.02

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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.