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Finding the Fourth Proportional to 550,340.21, 825,592.34 and 195,324.50

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Solution

The fourth proportional to 550,340.21, 825,592.34 and 195,324.50 is: 293,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,340.21 : 825,592.34 = 195,324.50 : x
  2. Step 2: Convert to fraction form
    550,340.21/825,592.34 = 195,324.50/x
  3. Step 3: Cross multiply
    550,340.21x = 825,592.34 × 195,324.50
  4. Step 4: Simplify right side
    550,340.21x = 161,258,413,566.62
  5. Step 5: Solve for x
    x = 161,258,413,566.62/550,340.21
  6. Step 6: Final answer
    x = 293,015.87

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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.