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Finding the Fourth Proportional to 275,568.20, 413,352.30 and 262,446.20

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Solution

The fourth proportional to 275,568.20, 413,352.30 and 262,446.20 is: 393,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,568.20 : 413,352.30 = 262,446.20 : x
  2. Step 2: Convert to fraction form
    275,568.20/413,352.30 = 262,446.20/x
  3. Step 3: Cross multiply
    275,568.20x = 413,352.30 × 262,446.20
  4. Step 4: Simplify right side
    275,568.20x = 108,482,740,396.26
  5. Step 5: Solve for x
    x = 108,482,740,396.26/275,568.20
  6. Step 6: Final answer
    x = 393,669.30

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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.