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Finding the Fourth Proportional to 439,091.96, 605,958.90 and 248,101.52

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Solution

The fourth proportional to 439,091.96, 605,958.90 and 248,101.52 is: 342,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,091.96 : 605,958.90 = 248,101.52 : x
  2. Step 2: Convert to fraction form
    439,091.96/605,958.90 = 248,101.52/x
  3. Step 3: Cross multiply
    439,091.96x = 605,958.90 × 248,101.52
  4. Step 4: Simplify right side
    439,091.96x = 150,339,324,147.53
  5. Step 5: Solve for x
    x = 150,339,324,147.53/439,091.96
  6. Step 6: Final answer
    x = 342,386.88

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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.