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Finding the Fourth Proportional to 695,188.68, 959,194.96 and 423,253.45

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Solution

The fourth proportional to 695,188.68, 959,194.96 and 423,253.45 is: 583,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,188.68 : 959,194.96 = 423,253.45 : x
  2. Step 2: Convert to fraction form
    695,188.68/959,194.96 = 423,253.45/x
  3. Step 3: Cross multiply
    695,188.68x = 959,194.96 × 423,253.45
  4. Step 4: Simplify right side
    695,188.68x = 405,982,578,564.27
  5. Step 5: Solve for x
    x = 405,982,578,564.27/695,188.68
  6. Step 6: Final answer
    x = 583,989.06

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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.