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Finding the Fourth Proportional to 394,678.60, 544,523.34 and 224,792.44

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Solution

The fourth proportional to 394,678.60, 544,523.34 and 224,792.44 is: 310,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,678.60 : 544,523.34 = 224,792.44 : x
  2. Step 2: Convert to fraction form
    394,678.60/544,523.34 = 224,792.44/x
  3. Step 3: Cross multiply
    394,678.60x = 544,523.34 × 224,792.44
  4. Step 4: Simplify right side
    394,678.60x = 122,404,730,235.55
  5. Step 5: Solve for x
    x = 122,404,730,235.55/394,678.60
  6. Step 6: Final answer
    x = 310,137.74

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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.