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Finding the Fourth Proportional to 392,537.75, 587,909.95 and 234,441.95

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Solution

The fourth proportional to 392,537.75, 587,909.95 and 234,441.95 is: 351,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,537.75 : 587,909.95 = 234,441.95 : x
  2. Step 2: Convert to fraction form
    392,537.75/587,909.95 = 234,441.95/x
  3. Step 3: Cross multiply
    392,537.75x = 587,909.95 × 234,441.95
  4. Step 4: Simplify right side
    392,537.75x = 137,830,751,576.75
  5. Step 5: Solve for x
    x = 137,830,751,576.75/392,537.75
  6. Step 6: Final answer
    x = 351,127.38

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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.