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Finding the Fourth Proportional to 425,891.48, 587,737.30 and 232,299.25

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Solution

The fourth proportional to 425,891.48, 587,737.30 and 232,299.25 is: 320,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,891.48 : 587,737.30 = 232,299.25 : x
  2. Step 2: Convert to fraction form
    425,891.48/587,737.30 = 232,299.25/x
  3. Step 3: Cross multiply
    425,891.48x = 587,737.30 × 232,299.25
  4. Step 4: Simplify right side
    425,891.48x = 136,530,933,987.03
  5. Step 5: Solve for x
    x = 136,530,933,987.03/425,891.48
  6. Step 6: Final answer
    x = 320,576.81

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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.