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Finding the Fourth Proportional to 695,846.52, 960,268.18 and 394,098.84

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Solution

The fourth proportional to 695,846.52, 960,268.18 and 394,098.84 is: 543,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,846.52 : 960,268.18 = 394,098.84 : x
  2. Step 2: Convert to fraction form
    695,846.52/960,268.18 = 394,098.84/x
  3. Step 3: Cross multiply
    695,846.52x = 960,268.18 × 394,098.84
  4. Step 4: Simplify right side
    695,846.52x = 378,440,575,826.91
  5. Step 5: Solve for x
    x = 378,440,575,826.91/695,846.52
  6. Step 6: Final answer
    x = 543,856.39

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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.