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Finding the Fourth Proportional to 550,376.40, 825,564.60 and 234,865.20

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Solution

The fourth proportional to 550,376.40, 825,564.60 and 234,865.20 is: 352,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,376.40 : 825,564.60 = 234,865.20 : x
  2. Step 2: Convert to fraction form
    550,376.40/825,564.60 = 234,865.20/x
  3. Step 3: Cross multiply
    550,376.40x = 825,564.60 × 234,865.20
  4. Step 4: Simplify right side
    550,376.40x = 193,896,394,891.92
  5. Step 5: Solve for x
    x = 193,896,394,891.92/550,376.40
  6. Step 6: Final answer
    x = 352,297.80

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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.