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Finding the Fourth Proportional to 695,786.13, 952,990.40 and 654,932.97

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Solution

The fourth proportional to 695,786.13, 952,990.40 and 654,932.97 is: 897,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,786.13 : 952,990.40 = 654,932.97 : x
  2. Step 2: Convert to fraction form
    695,786.13/952,990.40 = 654,932.97/x
  3. Step 3: Cross multiply
    695,786.13x = 952,990.40 × 654,932.97
  4. Step 4: Simplify right side
    695,786.13x = 624,144,834,690.82
  5. Step 5: Solve for x
    x = 624,144,834,690.82/695,786.13
  6. Step 6: Final answer
    x = 897,035.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.