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Finding the Fourth Proportional to 297,906.60, 446,741.10 and 98,171.40

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Solution

The fourth proportional to 297,906.60, 446,741.10 and 98,171.40 is: 147,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,906.60 : 446,741.10 = 98,171.40 : x
  2. Step 2: Convert to fraction form
    297,906.60/446,741.10 = 98,171.40/x
  3. Step 3: Cross multiply
    297,906.60x = 446,741.10 × 98,171.40
  4. Step 4: Simplify right side
    297,906.60x = 43,857,199,224.54
  5. Step 5: Solve for x
    x = 43,857,199,224.54/297,906.60
  6. Step 6: Final answer
    x = 147,217.95

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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.