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Finding the Fourth Proportional to 340,540.97, 510,691.82 and 100,590.85

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Solution

The fourth proportional to 340,540.97, 510,691.82 and 100,590.85 is: 150,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,540.97 : 510,691.82 = 100,590.85 : x
  2. Step 2: Convert to fraction form
    340,540.97/510,691.82 = 100,590.85/x
  3. Step 3: Cross multiply
    340,540.97x = 510,691.82 × 100,590.85
  4. Step 4: Simplify right side
    340,540.97x = 51,370,924,261.85
  5. Step 5: Solve for x
    x = 51,370,924,261.85/340,540.97
  6. Step 6: Final answer
    x = 150,850.94

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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.