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Finding the Fourth Proportional to 297,830.42, 446,967.11 and 120,338.97

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Solution

The fourth proportional to 297,830.42, 446,967.11 and 120,338.97 is: 180,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,830.42 : 446,967.11 = 120,338.97 : x
  2. Step 2: Convert to fraction form
    297,830.42/446,967.11 = 120,338.97/x
  3. Step 3: Cross multiply
    297,830.42x = 446,967.11 × 120,338.97
  4. Step 4: Simplify right side
    297,830.42x = 53,787,560,266.00
  5. Step 5: Solve for x
    x = 53,787,560,266.00/297,830.42
  6. Step 6: Final answer
    x = 180,597.94

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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.