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Finding the Fourth Proportional to 354,265.44, 530,552.52 and 196,101.60

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Solution

The fourth proportional to 354,265.44, 530,552.52 and 196,101.60 is: 293,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,265.44 : 530,552.52 = 196,101.60 : x
  2. Step 2: Convert to fraction form
    354,265.44/530,552.52 = 196,101.60/x
  3. Step 3: Cross multiply
    354,265.44x = 530,552.52 × 196,101.60
  4. Step 4: Simplify right side
    354,265.44x = 104,042,198,056.03
  5. Step 5: Solve for x
    x = 104,042,198,056.03/354,265.44
  6. Step 6: Final answer
    x = 293,684.30

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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.