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Finding the Fourth Proportional to 543,094.70, 814,682.01 and 143,732.76

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Solution

The fourth proportional to 543,094.70, 814,682.01 and 143,732.76 is: 215,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,094.70 : 814,682.01 = 143,732.76 : x
  2. Step 2: Convert to fraction form
    543,094.70/814,682.01 = 143,732.76/x
  3. Step 3: Cross multiply
    543,094.70x = 814,682.01 × 143,732.76
  4. Step 4: Simplify right side
    543,094.70x = 117,096,493,819.65
  5. Step 5: Solve for x
    x = 117,096,493,819.65/543,094.70
  6. Step 6: Final answer
    x = 215,609.72

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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.