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Finding the Fourth Proportional to 682,987.82, 941,647 and 560,027.17

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Solution

The fourth proportional to 682,987.82, 941,647 and 560,027.17 is: 772,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,987.82 : 941,647 = 560,027.17 : x
  2. Step 2: Convert to fraction form
    682,987.82/941,647 = 560,027.17/x
  3. Step 3: Cross multiply
    682,987.82x = 941,647 × 560,027.17
  4. Step 4: Simplify right side
    682,987.82x = 527,347,904,548.99
  5. Step 5: Solve for x
    x = 527,347,904,548.99/682,987.82
  6. Step 6: Final answer
    x = 772,119.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.