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Finding the Fourth Proportional to 543,467.88, 814,890.78 and 227,658.60

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Solution

The fourth proportional to 543,467.88, 814,890.78 and 227,658.60 is: 341,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,467.88 : 814,890.78 = 227,658.60 : x
  2. Step 2: Convert to fraction form
    543,467.88/814,890.78 = 227,658.60/x
  3. Step 3: Cross multiply
    543,467.88x = 814,890.78 × 227,658.60
  4. Step 4: Simplify right side
    543,467.88x = 185,516,894,127.71
  5. Step 5: Solve for x
    x = 185,516,894,127.71/543,467.88
  6. Step 6: Final answer
    x = 341,357.61

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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.