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Finding the Fourth Proportional to 543,488.08, 814,968.78 and 227,860.24

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Solution

The fourth proportional to 543,488.08, 814,968.78 and 227,860.24 is: 341,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,488.08 : 814,968.78 = 227,860.24 : x
  2. Step 2: Convert to fraction form
    543,488.08/814,968.78 = 227,860.24/x
  3. Step 3: Cross multiply
    543,488.08x = 814,968.78 × 227,860.24
  4. Step 4: Simplify right side
    543,488.08x = 185,698,981,803.31
  5. Step 5: Solve for x
    x = 185,698,981,803.31/543,488.08
  6. Step 6: Final answer
    x = 341,679.95

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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.