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Finding the Fourth Proportional to 541,388.31, 811,625.64 and 341,267.57

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Solution

The fourth proportional to 541,388.31, 811,625.64 and 341,267.57 is: 511,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,388.31 : 811,625.64 = 341,267.57 : x
  2. Step 2: Convert to fraction form
    541,388.31/811,625.64 = 341,267.57/x
  3. Step 3: Cross multiply
    541,388.31x = 811,625.64 × 341,267.57
  4. Step 4: Simplify right side
    541,388.31x = 276,981,505,854.37
  5. Step 5: Solve for x
    x = 276,981,505,854.37/541,388.31
  6. Step 6: Final answer
    x = 511,613.38

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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.