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Finding the Fourth Proportional to 543,169.65, 814,851.68 and 227,658.45

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Solution

The fourth proportional to 543,169.65, 814,851.68 and 227,658.45 is: 341,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,169.65 : 814,851.68 = 227,658.45 : x
  2. Step 2: Convert to fraction form
    543,169.65/814,851.68 = 227,658.45/x
  3. Step 3: Cross multiply
    543,169.65x = 814,851.68 × 227,658.45
  4. Step 4: Simplify right side
    543,169.65x = 185,507,869,310.40
  5. Step 5: Solve for x
    x = 185,507,869,310.40/543,169.65
  6. Step 6: Final answer
    x = 341,528.41

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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.