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Finding the Fourth Proportional to 329,727.72, 494,669.33 and 262,513.87

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Solution

The fourth proportional to 329,727.72, 494,669.33 and 262,513.87 is: 393,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,727.72 : 494,669.33 = 262,513.87 : x
  2. Step 2: Convert to fraction form
    329,727.72/494,669.33 = 262,513.87/x
  3. Step 3: Cross multiply
    329,727.72x = 494,669.33 × 262,513.87
  4. Step 4: Simplify right side
    329,727.72x = 129,857,562,081.57
  5. Step 5: Solve for x
    x = 129,857,562,081.57/329,727.72
  6. Step 6: Final answer
    x = 393,832.71

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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.