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Finding the Fourth Proportional to 422,372.40, 582,873.88 and 252,606.52

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Solution

The fourth proportional to 422,372.40, 582,873.88 and 252,606.52 is: 348,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,372.40 : 582,873.88 = 252,606.52 : x
  2. Step 2: Convert to fraction form
    422,372.40/582,873.88 = 252,606.52/x
  3. Step 3: Cross multiply
    422,372.40x = 582,873.88 × 252,606.52
  4. Step 4: Simplify right side
    422,372.40x = 147,237,742,425.70
  5. Step 5: Solve for x
    x = 147,237,742,425.70/422,372.40
  6. Step 6: Final answer
    x = 348,596.98

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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.