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Finding the Fourth Proportional to 339,170.70, 508,766.87 and 170,598.94

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Solution

The fourth proportional to 339,170.70, 508,766.87 and 170,598.94 is: 255,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,170.70 : 508,766.87 = 170,598.94 : x
  2. Step 2: Convert to fraction form
    339,170.70/508,766.87 = 170,598.94/x
  3. Step 3: Cross multiply
    339,170.70x = 508,766.87 × 170,598.94
  4. Step 4: Simplify right side
    339,170.70x = 86,795,088,729.12
  5. Step 5: Solve for x
    x = 86,795,088,729.12/339,170.70
  6. Step 6: Final answer
    x = 255,903.85

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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.