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Finding the Fourth Proportional to 331,165.92, 494,203.92 and 295,734.72

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Solution

The fourth proportional to 331,165.92, 494,203.92 and 295,734.72 is: 441,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,165.92 : 494,203.92 = 295,734.72 : x
  2. Step 2: Convert to fraction form
    331,165.92/494,203.92 = 295,734.72/x
  3. Step 3: Cross multiply
    331,165.92x = 494,203.92 × 295,734.72
  4. Step 4: Simplify right side
    331,165.92x = 146,153,257,904.10
  5. Step 5: Solve for x
    x = 146,153,257,904.10/331,165.92
  6. Step 6: Final answer
    x = 441,329.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.