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Finding the Fourth Proportional to 275,115.10, 412,672.65 and 275,115.10

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Solution

The fourth proportional to 275,115.10, 412,672.65 and 275,115.10 is: 412,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,115.10 : 412,672.65 = 275,115.10 : x
  2. Step 2: Convert to fraction form
    275,115.10/412,672.65 = 275,115.10/x
  3. Step 3: Cross multiply
    275,115.10x = 412,672.65 × 275,115.10
  4. Step 4: Simplify right side
    275,115.10x = 113,532,477,372.02
  5. Step 5: Solve for x
    x = 113,532,477,372.02/275,115.10
  6. Step 6: Final answer
    x = 412,672.65

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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.