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Finding the Fourth Proportional to 550,395.28, 825,669.42 and 195,324.94

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Solution

The fourth proportional to 550,395.28, 825,669.42 and 195,324.94 is: 293,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,395.28 : 825,669.42 = 195,324.94 : x
  2. Step 2: Convert to fraction form
    550,395.28/825,669.42 = 195,324.94/x
  3. Step 3: Cross multiply
    550,395.28x = 825,669.42 × 195,324.94
  4. Step 4: Simplify right side
    550,395.28x = 161,273,829,921.34
  5. Step 5: Solve for x
    x = 161,273,829,921.34/550,395.28
  6. Step 6: Final answer
    x = 293,014.56

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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.