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Finding the Fourth Proportional to 270,414.60, 404,844.30 and 165,438.60

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Solution

The fourth proportional to 270,414.60, 404,844.30 and 165,438.60 is: 247,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,414.60 : 404,844.30 = 165,438.60 : x
  2. Step 2: Convert to fraction form
    270,414.60/404,844.30 = 165,438.60/x
  3. Step 3: Cross multiply
    270,414.60x = 404,844.30 × 165,438.60
  4. Step 4: Simplify right side
    270,414.60x = 66,976,874,209.98
  5. Step 5: Solve for x
    x = 66,976,874,209.98/270,414.60
  6. Step 6: Final answer
    x = 247,682.17

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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.