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Finding the Fourth Proportional to 275,658.27, 380,449.55 and 168,290.54

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Solution

The fourth proportional to 275,658.27, 380,449.55 and 168,290.54 is: 232,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,658.27 : 380,449.55 = 168,290.54 : x
  2. Step 2: Convert to fraction form
    275,658.27/380,449.55 = 168,290.54/x
  3. Step 3: Cross multiply
    275,658.27x = 380,449.55 × 168,290.54
  4. Step 4: Simplify right side
    275,658.27x = 64,026,061,584.11
  5. Step 5: Solve for x
    x = 64,026,061,584.11/275,658.27
  6. Step 6: Final answer
    x = 232,266.06

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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.