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Finding the Fourth Proportional to 554,997.36, 765,814 and 337,092.72

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Solution

The fourth proportional to 554,997.36, 765,814 and 337,092.72 is: 465,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,997.36 : 765,814 = 337,092.72 : x
  2. Step 2: Convert to fraction form
    554,997.36/765,814 = 337,092.72/x
  3. Step 3: Cross multiply
    554,997.36x = 765,814 × 337,092.72
  4. Step 4: Simplify right side
    554,997.36x = 258,150,324,274.08
  5. Step 5: Solve for x
    x = 258,150,324,274.08/554,997.36
  6. Step 6: Final answer
    x = 465,137.93

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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.