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Finding the Fourth Proportional to 394,591.42, 544,402.92 and 224,705.26

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Solution

The fourth proportional to 394,591.42, 544,402.92 and 224,705.26 is: 310,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,591.42 : 544,402.92 = 224,705.26 : x
  2. Step 2: Convert to fraction form
    394,591.42/544,402.92 = 224,705.26/x
  3. Step 3: Cross multiply
    394,591.42x = 544,402.92 × 224,705.26
  4. Step 4: Simplify right side
    394,591.42x = 122,330,199,683.36
  5. Step 5: Solve for x
    x = 122,330,199,683.36/394,591.42
  6. Step 6: Final answer
    x = 310,017.38

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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.