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Finding the Fourth Proportional to 273,078.10, 409,617.15 and 226,422.10

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Solution

The fourth proportional to 273,078.10, 409,617.15 and 226,422.10 is: 339,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,078.10 : 409,617.15 = 226,422.10 : x
  2. Step 2: Convert to fraction form
    273,078.10/409,617.15 = 226,422.10/x
  3. Step 3: Cross multiply
    273,078.10x = 409,617.15 × 226,422.10
  4. Step 4: Simplify right side
    273,078.10x = 92,746,375,299.02
  5. Step 5: Solve for x
    x = 92,746,375,299.02/273,078.10
  6. Step 6: Final answer
    x = 339,633.15

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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.