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Finding the Fourth Proportional to 394,252.80, 544,125.24 and 224,502.72

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Solution

The fourth proportional to 394,252.80, 544,125.24 and 224,502.72 is: 309,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,252.80 : 544,125.24 = 224,502.72 : x
  2. Step 2: Convert to fraction form
    394,252.80/544,125.24 = 224,502.72/x
  3. Step 3: Cross multiply
    394,252.80x = 544,125.24 × 224,502.72
  4. Step 4: Simplify right side
    394,252.80x = 122,157,596,400.65
  5. Step 5: Solve for x
    x = 122,157,596,400.65/394,252.80
  6. Step 6: Final answer
    x = 309,845.86

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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.