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Finding the Fourth Proportional to 331,553.80, 497,002.65 and 162,936.10

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Solution

The fourth proportional to 331,553.80, 497,002.65 and 162,936.10 is: 244,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,553.80 : 497,002.65 = 162,936.10 : x
  2. Step 2: Convert to fraction form
    331,553.80/497,002.65 = 162,936.10/x
  3. Step 3: Cross multiply
    331,553.80x = 497,002.65 × 162,936.10
  4. Step 4: Simplify right side
    331,553.80x = 80,979,673,480.67
  5. Step 5: Solve for x
    x = 80,979,673,480.67/331,553.80
  6. Step 6: Final answer
    x = 244,242.94

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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.