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Finding the Fourth Proportional to 388,524.44, 582,633.44 and 188,785.74

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Solution

The fourth proportional to 388,524.44, 582,633.44 and 188,785.74 is: 283,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,524.44 : 582,633.44 = 188,785.74 : x
  2. Step 2: Convert to fraction form
    388,524.44/582,633.44 = 188,785.74/x
  3. Step 3: Cross multiply
    388,524.44x = 582,633.44 × 188,785.74
  4. Step 4: Simplify right side
    388,524.44x = 109,992,885,119.15
  5. Step 5: Solve for x
    x = 109,992,885,119.15/388,524.44
  6. Step 6: Final answer
    x = 283,104.16

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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.