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Finding the Fourth Proportional to 422,625.36, 583,215.48 and 250,659.12

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Solution

The fourth proportional to 422,625.36, 583,215.48 and 250,659.12 is: 345,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,625.36 : 583,215.48 = 250,659.12 : x
  2. Step 2: Convert to fraction form
    422,625.36/583,215.48 = 250,659.12/x
  3. Step 3: Cross multiply
    422,625.36x = 583,215.48 × 250,659.12
  4. Step 4: Simplify right side
    422,625.36x = 146,188,278,987.18
  5. Step 5: Solve for x
    x = 146,188,278,987.18/422,625.36
  6. Step 6: Final answer
    x = 345,905.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.