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Finding the Fourth Proportional to 325,540.40, 487,619.40 and 270,244.40

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Solution

The fourth proportional to 325,540.40, 487,619.40 and 270,244.40 is: 404,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,540.40 : 487,619.40 = 270,244.40 : x
  2. Step 2: Convert to fraction form
    325,540.40/487,619.40 = 270,244.40/x
  3. Step 3: Cross multiply
    325,540.40x = 487,619.40 × 270,244.40
  4. Step 4: Simplify right side
    325,540.40x = 131,776,412,181.36
  5. Step 5: Solve for x
    x = 131,776,412,181.36/325,540.40
  6. Step 6: Final answer
    x = 404,792.81

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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.