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Finding the Fourth Proportional to 550,020.47, 825,031.36 and 150,664.68

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Solution

The fourth proportional to 550,020.47, 825,031.36 and 150,664.68 is: 225,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,020.47 : 825,031.36 = 150,664.68 : x
  2. Step 2: Convert to fraction form
    550,020.47/825,031.36 = 150,664.68/x
  3. Step 3: Cross multiply
    550,020.47x = 825,031.36 × 150,664.68
  4. Step 4: Simplify right side
    550,020.47x = 124,303,085,185.21
  5. Step 5: Solve for x
    x = 124,303,085,185.21/550,020.47
  6. Step 6: Final answer
    x = 225,997.20

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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.