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Finding the Fourth Proportional to 510,186.24, 765,305.28 and 173,266.56

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Solution

The fourth proportional to 510,186.24, 765,305.28 and 173,266.56 is: 259,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,186.24 : 765,305.28 = 173,266.56 : x
  2. Step 2: Convert to fraction form
    510,186.24/765,305.28 = 173,266.56/x
  3. Step 3: Cross multiply
    510,186.24x = 765,305.28 × 173,266.56
  4. Step 4: Simplify right side
    510,186.24x = 132,601,813,215.44
  5. Step 5: Solve for x
    x = 132,601,813,215.44/510,186.24
  6. Step 6: Final answer
    x = 259,908.64

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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.