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Finding the Fourth Proportional to 695,912.70, 960,822.09 and 534,479.25

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Solution

The fourth proportional to 695,912.70, 960,822.09 and 534,479.25 is: 737,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,912.70 : 960,822.09 = 534,479.25 : x
  2. Step 2: Convert to fraction form
    695,912.70/960,822.09 = 534,479.25/x
  3. Step 3: Cross multiply
    695,912.70x = 960,822.09 × 534,479.25
  4. Step 4: Simplify right side
    695,912.70x = 513,539,470,046.63
  5. Step 5: Solve for x
    x = 513,539,470,046.63/695,912.70
  6. Step 6: Final answer
    x = 737,936.63

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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.