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Finding the Fourth Proportional to 394,500.63, 544,383.53 and 222,424.73

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Solution

The fourth proportional to 394,500.63, 544,383.53 and 222,424.73 is: 306,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,500.63 : 544,383.53 = 222,424.73 : x
  2. Step 2: Convert to fraction form
    394,500.63/544,383.53 = 222,424.73/x
  3. Step 3: Cross multiply
    394,500.63x = 544,383.53 × 222,424.73
  4. Step 4: Simplify right side
    394,500.63x = 121,084,363,031.48
  5. Step 5: Solve for x
    x = 121,084,363,031.48/394,500.63
  6. Step 6: Final answer
    x = 306,930.72

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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.