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Finding the Fourth Proportional to 422,053.87, 582,380.10 and 240,754.98

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Solution

The fourth proportional to 422,053.87, 582,380.10 and 240,754.98 is: 332,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,053.87 : 582,380.10 = 240,754.98 : x
  2. Step 2: Convert to fraction form
    422,053.87/582,380.10 = 240,754.98/x
  3. Step 3: Cross multiply
    422,053.87x = 582,380.10 × 240,754.98
  4. Step 4: Simplify right side
    422,053.87x = 140,210,912,188.95
  5. Step 5: Solve for x
    x = 140,210,912,188.95/422,053.87
  6. Step 6: Final answer
    x = 332,210.94

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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.