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Finding the Fourth Proportional to 339,906.70, 510,005.85 and 173,694.70

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Solution

The fourth proportional to 339,906.70, 510,005.85 and 173,694.70 is: 260,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,906.70 : 510,005.85 = 173,694.70 : x
  2. Step 2: Convert to fraction form
    339,906.70/510,005.85 = 173,694.70/x
  3. Step 3: Cross multiply
    339,906.70x = 510,005.85 × 173,694.70
  4. Step 4: Simplify right side
    339,906.70x = 88,585,313,114.00
  5. Step 5: Solve for x
    x = 88,585,313,114.00/339,906.70
  6. Step 6: Final answer
    x = 260,616.55

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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.