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Finding the Fourth Proportional to 361,593.15, 499,053.78 and 230,827.29

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Solution

The fourth proportional to 361,593.15, 499,053.78 and 230,827.29 is: 318,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,593.15 : 499,053.78 = 230,827.29 : x
  2. Step 2: Convert to fraction form
    361,593.15/499,053.78 = 230,827.29/x
  3. Step 3: Cross multiply
    361,593.15x = 499,053.78 × 230,827.29
  4. Step 4: Simplify right side
    361,593.15x = 115,195,231,601.66
  5. Step 5: Solve for x
    x = 115,195,231,601.66/361,593.15
  6. Step 6: Final answer
    x = 318,576.92

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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.