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Finding the Fourth Proportional to 422,282.07, 582,758.73 and 240,990.39

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Solution

The fourth proportional to 422,282.07, 582,758.73 and 240,990.39 is: 332,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,282.07 : 582,758.73 = 240,990.39 : x
  2. Step 2: Convert to fraction form
    422,282.07/582,758.73 = 240,990.39/x
  3. Step 3: Cross multiply
    422,282.07x = 582,758.73 × 240,990.39
  4. Step 4: Simplify right side
    422,282.07x = 140,439,253,618.61
  5. Step 5: Solve for x
    x = 140,439,253,618.61/422,282.07
  6. Step 6: Final answer
    x = 332,572.14

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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.