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Finding the Fourth Proportional to 325,615.94, 449,569.42 and 203,294.74

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Solution

The fourth proportional to 325,615.94, 449,569.42 and 203,294.74 is: 280,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,615.94 : 449,569.42 = 203,294.74 : x
  2. Step 2: Convert to fraction form
    325,615.94/449,569.42 = 203,294.74/x
  3. Step 3: Cross multiply
    325,615.94x = 449,569.42 × 203,294.74
  4. Step 4: Simplify right side
    325,615.94x = 91,395,098,350.85
  5. Step 5: Solve for x
    x = 91,395,098,350.85/325,615.94
  6. Step 6: Final answer
    x = 280,683.74

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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.