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Finding the Fourth Proportional to 641,773.40, 962,660.10 and 168,506.60

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Solution

The fourth proportional to 641,773.40, 962,660.10 and 168,506.60 is: 252,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,773.40 : 962,660.10 = 168,506.60 : x
  2. Step 2: Convert to fraction form
    641,773.40/962,660.10 = 168,506.60/x
  3. Step 3: Cross multiply
    641,773.40x = 962,660.10 × 168,506.60
  4. Step 4: Simplify right side
    641,773.40x = 162,214,580,406.66
  5. Step 5: Solve for x
    x = 162,214,580,406.66/641,773.40
  6. Step 6: Final answer
    x = 252,759.90

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Similar ratio
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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.