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Finding the Fourth Proportional to 275,652.48, 380,542.14 and 235,794.42

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Solution

The fourth proportional to 275,652.48, 380,542.14 and 235,794.42 is: 325,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,652.48 : 380,542.14 = 235,794.42 : x
  2. Step 2: Convert to fraction form
    275,652.48/380,542.14 = 235,794.42/x
  3. Step 3: Cross multiply
    275,652.48x = 380,542.14 × 235,794.42
  4. Step 4: Simplify right side
    275,652.48x = 89,729,713,186.86
  5. Step 5: Solve for x
    x = 89,729,713,186.86/275,652.48
  6. Step 6: Final answer
    x = 325,517.53

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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.