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Finding the Fourth Proportional to 465,372.60, 698,171.08 and 161,722.62

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Solution

The fourth proportional to 465,372.60, 698,171.08 and 161,722.62 is: 242,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,372.60 : 698,171.08 = 161,722.62 : x
  2. Step 2: Convert to fraction form
    465,372.60/698,171.08 = 161,722.62/x
  3. Step 3: Cross multiply
    465,372.60x = 698,171.08 × 161,722.62
  4. Step 4: Simplify right side
    465,372.60x = 112,910,056,265.83
  5. Step 5: Solve for x
    x = 112,910,056,265.83/465,372.60
  6. Step 6: Final answer
    x = 242,622.91

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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.