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Finding the Fourth Proportional to 275,025.40, 379,538.94 and 167,599.96

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Solution

The fourth proportional to 275,025.40, 379,538.94 and 167,599.96 is: 231,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,025.40 : 379,538.94 = 167,599.96 : x
  2. Step 2: Convert to fraction form
    275,025.40/379,538.94 = 167,599.96/x
  3. Step 3: Cross multiply
    275,025.40x = 379,538.94 × 167,599.96
  4. Step 4: Simplify right side
    275,025.40x = 63,610,711,162.44
  5. Step 5: Solve for x
    x = 63,610,711,162.44/275,025.40
  6. Step 6: Final answer
    x = 231,290.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.