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Finding the Fourth Proportional to 493,644.33, 681,229.67 and 267,289.29

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Solution

The fourth proportional to 493,644.33, 681,229.67 and 267,289.29 is: 368,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,644.33 : 681,229.67 = 267,289.29 : x
  2. Step 2: Convert to fraction form
    493,644.33/681,229.67 = 267,289.29/x
  3. Step 3: Cross multiply
    493,644.33x = 681,229.67 × 267,289.29
  4. Step 4: Simplify right side
    493,644.33x = 182,085,393,484.79
  5. Step 5: Solve for x
    x = 182,085,393,484.79/493,644.33
  6. Step 6: Final answer
    x = 368,859.49

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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.