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Finding the Fourth Proportional to 494,305.56, 740,944.62 and 210,178.44

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Solution

The fourth proportional to 494,305.56, 740,944.62 and 210,178.44 is: 315,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,305.56 : 740,944.62 = 210,178.44 : x
  2. Step 2: Convert to fraction form
    494,305.56/740,944.62 = 210,178.44/x
  3. Step 3: Cross multiply
    494,305.56x = 740,944.62 × 210,178.44
  4. Step 4: Simplify right side
    494,305.56x = 155,730,584,357.99
  5. Step 5: Solve for x
    x = 155,730,584,357.99/494,305.56
  6. Step 6: Final answer
    x = 315,049.23

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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.