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Finding the Fourth Proportional to 394,363.44, 544,221.56 and 224,613.36

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Solution

The fourth proportional to 394,363.44, 544,221.56 and 224,613.36 is: 309,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,363.44 : 544,221.56 = 224,613.36 : x
  2. Step 2: Convert to fraction form
    394,363.44/544,221.56 = 224,613.36/x
  3. Step 3: Cross multiply
    394,363.44x = 544,221.56 × 224,613.36
  4. Step 4: Simplify right side
    394,363.44x = 122,239,433,176.04
  5. Step 5: Solve for x
    x = 122,239,433,176.04/394,363.44
  6. Step 6: Final answer
    x = 309,966.44

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1.5x scale

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.