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Finding the Fourth Proportional to 548,758.68, 827,250.85 and 512,181

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Solution

The fourth proportional to 548,758.68, 827,250.85 and 512,181 is: 772,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,758.68 : 827,250.85 = 512,181 : x
  2. Step 2: Convert to fraction form
    548,758.68/827,250.85 = 512,181/x
  3. Step 3: Cross multiply
    548,758.68x = 827,250.85 × 512,181
  4. Step 4: Simplify right side
    548,758.68x = 423,702,167,603.85
  5. Step 5: Solve for x
    x = 423,702,167,603.85/548,758.68
  6. Step 6: Final answer
    x = 772,110.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.