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Finding the Fourth Proportional to 595,425.44, 892,613.28 and 221,186

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Solution

The fourth proportional to 595,425.44, 892,613.28 and 221,186 is: 331,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,425.44 : 892,613.28 = 221,186 : x
  2. Step 2: Convert to fraction form
    595,425.44/892,613.28 = 221,186/x
  3. Step 3: Cross multiply
    595,425.44x = 892,613.28 × 221,186
  4. Step 4: Simplify right side
    595,425.44x = 197,433,560,950.08
  5. Step 5: Solve for x
    x = 197,433,560,950.08/595,425.44
  6. Step 6: Final answer
    x = 331,584.02

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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.