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Finding the Fourth Proportional to 422,310.89, 633,506.56 and 118,704.26

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Solution

The fourth proportional to 422,310.89, 633,506.56 and 118,704.26 is: 178,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,310.89 : 633,506.56 = 118,704.26 : x
  2. Step 2: Convert to fraction form
    422,310.89/633,506.56 = 118,704.26/x
  3. Step 3: Cross multiply
    422,310.89x = 633,506.56 × 118,704.26
  4. Step 4: Simplify right side
    422,310.89x = 75,199,927,409.95
  5. Step 5: Solve for x
    x = 75,199,927,409.95/422,310.89
  6. Step 6: Final answer
    x = 178,067.70

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1.5x scale

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.