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Finding the Fourth Proportional to 275,745.85, 412,348.96 and 262,293.74

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Solution

The fourth proportional to 275,745.85, 412,348.96 and 262,293.74 is: 392,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,745.85 : 412,348.96 = 262,293.74 : x
  2. Step 2: Convert to fraction form
    275,745.85/412,348.96 = 262,293.74/x
  3. Step 3: Cross multiply
    275,745.85x = 412,348.96 × 262,293.74
  4. Step 4: Simplify right side
    275,745.85x = 108,156,550,715.94
  5. Step 5: Solve for x
    x = 108,156,550,715.94/275,745.85
  6. Step 6: Final answer
    x = 392,232.75

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1.5x scale

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.