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Finding the Fourth Proportional to 510,469.11, 765,738.90 and 173,372.22

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Solution

The fourth proportional to 510,469.11, 765,738.90 and 173,372.22 is: 260,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,469.11 : 765,738.90 = 173,372.22 : x
  2. Step 2: Convert to fraction form
    510,469.11/765,738.90 = 173,372.22/x
  3. Step 3: Cross multiply
    510,469.11x = 765,738.90 × 173,372.22
  4. Step 4: Simplify right side
    510,469.11x = 132,757,853,033.36
  5. Step 5: Solve for x
    x = 132,757,853,033.36/510,469.11
  6. Step 6: Final answer
    x = 260,070.30

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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.