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Finding the Fourth Proportional to 272,284.70, 408,427.05 and 250,511.90

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Solution

The fourth proportional to 272,284.70, 408,427.05 and 250,511.90 is: 375,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,284.70 : 408,427.05 = 250,511.90 : x
  2. Step 2: Convert to fraction form
    272,284.70/408,427.05 = 250,511.90/x
  3. Step 3: Cross multiply
    272,284.70x = 408,427.05 × 250,511.90
  4. Step 4: Simplify right side
    272,284.70x = 102,315,836,306.90
  5. Step 5: Solve for x
    x = 102,315,836,306.90/272,284.70
  6. Step 6: Final answer
    x = 375,767.85

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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.