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Finding the Fourth Proportional to 422,607.75, 583,112.52 and 250,449.84

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Solution

The fourth proportional to 422,607.75, 583,112.52 and 250,449.84 is: 345,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,607.75 : 583,112.52 = 250,449.84 : x
  2. Step 2: Convert to fraction form
    422,607.75/583,112.52 = 250,449.84/x
  3. Step 3: Cross multiply
    422,607.75x = 583,112.52 × 250,449.84
  4. Step 4: Simplify right side
    422,607.75x = 146,040,437,336.00
  5. Step 5: Solve for x
    x = 146,040,437,336.00/422,607.75
  6. Step 6: Final answer
    x = 345,569.71

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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.