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Finding the Fourth Proportional to 550,343.70, 825,035.55 and 213,614.10

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Solution

The fourth proportional to 550,343.70, 825,035.55 and 213,614.10 is: 320,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,343.70 : 825,035.55 = 213,614.10 : x
  2. Step 2: Convert to fraction form
    550,343.70/825,035.55 = 213,614.10/x
  3. Step 3: Cross multiply
    550,343.70x = 825,035.55 × 213,614.10
  4. Step 4: Simplify right side
    550,343.70x = 176,239,226,481.26
  5. Step 5: Solve for x
    x = 176,239,226,481.26/550,343.70
  6. Step 6: Final answer
    x = 320,234.84

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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.