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Finding the Fourth Proportional to 297,364.60, 446,046.90 and 75,748.60

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Solution

The fourth proportional to 297,364.60, 446,046.90 and 75,748.60 is: 113,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,364.60 : 446,046.90 = 75,748.60 : x
  2. Step 2: Convert to fraction form
    297,364.60/446,046.90 = 75,748.60/x
  3. Step 3: Cross multiply
    297,364.60x = 446,046.90 × 75,748.60
  4. Step 4: Simplify right side
    297,364.60x = 33,787,428,209.34
  5. Step 5: Solve for x
    x = 33,787,428,209.34/297,364.60
  6. Step 6: Final answer
    x = 113,622.90

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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.