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Finding the Fourth Proportional to 364,489.22, 502,723.50 and 267,662.72

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Solution

The fourth proportional to 364,489.22, 502,723.50 and 267,662.72 is: 369,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,489.22 : 502,723.50 = 267,662.72 : x
  2. Step 2: Convert to fraction form
    364,489.22/502,723.50 = 267,662.72/x
  3. Step 3: Cross multiply
    364,489.22x = 502,723.50 × 267,662.72
  4. Step 4: Simplify right side
    364,489.22x = 134,560,339,417.92
  5. Step 5: Solve for x
    x = 134,560,339,417.92/364,489.22
  6. Step 6: Final answer
    x = 369,175.09

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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.