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Finding the Fourth Proportional to 260,570.67, 391,042.94 and 110,916.11

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Solution

The fourth proportional to 260,570.67, 391,042.94 and 110,916.11 is: 166,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,570.67 : 391,042.94 = 110,916.11 : x
  2. Step 2: Convert to fraction form
    260,570.67/391,042.94 = 110,916.11/x
  3. Step 3: Cross multiply
    260,570.67x = 391,042.94 × 110,916.11
  4. Step 4: Simplify right side
    260,570.67x = 43,372,959,237.97
  5. Step 5: Solve for x
    x = 43,372,959,237.97/260,570.67
  6. Step 6: Final answer
    x = 166,453.73

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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.