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Finding the Fourth Proportional to 542,170.38, 748,185.99 and 300,452.46

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Solution

The fourth proportional to 542,170.38, 748,185.99 and 300,452.46 is: 414,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,170.38 : 748,185.99 = 300,452.46 : x
  2. Step 2: Convert to fraction form
    542,170.38/748,185.99 = 300,452.46/x
  3. Step 3: Cross multiply
    542,170.38x = 748,185.99 × 300,452.46
  4. Step 4: Simplify right side
    542,170.38x = 224,794,321,233.04
  5. Step 5: Solve for x
    x = 224,794,321,233.04/542,170.38
  6. Step 6: Final answer
    x = 414,619.33

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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.