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Finding the Fourth Proportional to 550,020.25, 825,031.03 and 150,664.46

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Solution

The fourth proportional to 550,020.25, 825,031.03 and 150,664.46 is: 225,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,020.25 : 825,031.03 = 150,664.46 : x
  2. Step 2: Convert to fraction form
    550,020.25/825,031.03 = 150,664.46/x
  3. Step 3: Cross multiply
    550,020.25x = 825,031.03 × 150,664.46
  4. Step 4: Simplify right side
    550,020.25x = 124,302,854,618.19
  5. Step 5: Solve for x
    x = 124,302,854,618.19/550,020.25
  6. Step 6: Final answer
    x = 225,996.87

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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.