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Finding the Fourth Proportional to 339,949.70, 510,317.40 and 182,485.70

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Solution

The fourth proportional to 339,949.70, 510,317.40 and 182,485.70 is: 273,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,949.70 : 510,317.40 = 182,485.70 : x
  2. Step 2: Convert to fraction form
    339,949.70/510,317.40 = 182,485.70/x
  3. Step 3: Cross multiply
    339,949.70x = 510,317.40 × 182,485.70
  4. Step 4: Simplify right side
    339,949.70x = 93,125,627,961.18
  5. Step 5: Solve for x
    x = 93,125,627,961.18/339,949.70
  6. Step 6: Final answer
    x = 273,939.43

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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.