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Finding the Fourth Proportional to 270,405.41, 373,157.28 and 149,551.79

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Solution

The fourth proportional to 270,405.41, 373,157.28 and 149,551.79 is: 206,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,405.41 : 373,157.28 = 149,551.79 : x
  2. Step 2: Convert to fraction form
    270,405.41/373,157.28 = 149,551.79/x
  3. Step 3: Cross multiply
    270,405.41x = 373,157.28 × 149,551.79
  4. Step 4: Simplify right side
    270,405.41x = 55,806,337,309.74
  5. Step 5: Solve for x
    x = 55,806,337,309.74/270,405.41
  6. Step 6: Final answer
    x = 206,380.26

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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.