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Finding the Fourth Proportional to 695,517.36, 961,927.03 and 623,871.24

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Solution

The fourth proportional to 695,517.36, 961,927.03 and 623,871.24 is: 862,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,517.36 : 961,927.03 = 623,871.24 : x
  2. Step 2: Convert to fraction form
    695,517.36/961,927.03 = 623,871.24/x
  3. Step 3: Cross multiply
    695,517.36x = 961,927.03 × 623,871.24
  4. Step 4: Simplify right side
    695,517.36x = 600,118,606,168.23
  5. Step 5: Solve for x
    x = 600,118,606,168.23/695,517.36
  6. Step 6: Final answer
    x = 862,837.71

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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.