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Finding the Fourth Proportional to 297,169.70, 445,524.30 and 97,365.38

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Solution

The fourth proportional to 297,169.70, 445,524.30 and 97,365.38 is: 145,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,169.70 : 445,524.30 = 97,365.38 : x
  2. Step 2: Convert to fraction form
    297,169.70/445,524.30 = 97,365.38/x
  3. Step 3: Cross multiply
    297,169.70x = 445,524.30 × 97,365.38
  4. Step 4: Simplify right side
    297,169.70x = 43,378,640,541.11
  5. Step 5: Solve for x
    x = 43,378,640,541.11/297,169.70
  6. Step 6: Final answer
    x = 145,972.63

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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.