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Finding the Fourth Proportional to 460,383.80, 635,361.51 and 279,103.37

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Solution

The fourth proportional to 460,383.80, 635,361.51 and 279,103.37 is: 385,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,383.80 : 635,361.51 = 279,103.37 : x
  2. Step 2: Convert to fraction form
    460,383.80/635,361.51 = 279,103.37/x
  3. Step 3: Cross multiply
    460,383.80x = 635,361.51 × 279,103.37
  4. Step 4: Simplify right side
    460,383.80x = 177,331,538,609.29
  5. Step 5: Solve for x
    x = 177,331,538,609.29/460,383.80
  6. Step 6: Final answer
    x = 385,181.97

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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.