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Finding the Fourth Proportional to 293,034.20, 439,745.70 and 166,674.20

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Solution

The fourth proportional to 293,034.20, 439,745.70 and 166,674.20 is: 250,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,034.20 : 439,745.70 = 166,674.20 : x
  2. Step 2: Convert to fraction form
    293,034.20/439,745.70 = 166,674.20/x
  3. Step 3: Cross multiply
    293,034.20x = 439,745.70 × 166,674.20
  4. Step 4: Simplify right side
    293,034.20x = 73,294,262,750.94
  5. Step 5: Solve for x
    x = 73,294,262,750.94/293,034.20
  6. Step 6: Final answer
    x = 250,121.87

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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.