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Finding the Fourth Proportional to 394,881.60, 544,934.58 and 213,592.98

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Solution

The fourth proportional to 394,881.60, 544,934.58 and 213,592.98 is: 294,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,881.60 : 544,934.58 = 213,592.98 : x
  2. Step 2: Convert to fraction form
    394,881.60/544,934.58 = 213,592.98/x
  3. Step 3: Cross multiply
    394,881.60x = 544,934.58 × 213,592.98
  4. Step 4: Simplify right side
    394,881.60x = 116,394,200,847.25
  5. Step 5: Solve for x
    x = 116,394,200,847.25/394,881.60
  6. Step 6: Final answer
    x = 294,757.22

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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.