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Finding the Fourth Proportional to 425,813.52, 587,611.08 and 234,823.44

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Solution

The fourth proportional to 425,813.52, 587,611.08 and 234,823.44 is: 324,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,813.52 : 587,611.08 = 234,823.44 : x
  2. Step 2: Convert to fraction form
    425,813.52/587,611.08 = 234,823.44/x
  3. Step 3: Cross multiply
    425,813.52x = 587,611.08 × 234,823.44
  4. Step 4: Simplify right side
    425,813.52x = 137,984,855,187.72
  5. Step 5: Solve for x
    x = 137,984,855,187.72/425,813.52
  6. Step 6: Final answer
    x = 324,049.96

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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.