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Finding the Fourth Proportional to 335,609.57, 463,161.89 and 192,391.15

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Solution

The fourth proportional to 335,609.57, 463,161.89 and 192,391.15 is: 265,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,609.57 : 463,161.89 = 192,391.15 : x
  2. Step 2: Convert to fraction form
    335,609.57/463,161.89 = 192,391.15/x
  3. Step 3: Cross multiply
    335,609.57x = 463,161.89 × 192,391.15
  4. Step 4: Simplify right side
    335,609.57x = 89,108,248,653.27
  5. Step 5: Solve for x
    x = 89,108,248,653.27/335,609.57
  6. Step 6: Final answer
    x = 265,511.64

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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.