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Finding the Fourth Proportional to 270,489.59, 373,268.89 and 149,637.59

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Solution

The fourth proportional to 270,489.59, 373,268.89 and 149,637.59 is: 206,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,489.59 : 373,268.89 = 149,637.59 : x
  2. Step 2: Convert to fraction form
    270,489.59/373,268.89 = 149,637.59/x
  3. Step 3: Cross multiply
    270,489.59x = 373,268.89 × 149,637.59
  4. Step 4: Simplify right side
    270,489.59x = 55,855,057,121.58
  5. Step 5: Solve for x
    x = 55,855,057,121.58/270,489.59
  6. Step 6: Final answer
    x = 206,496.14

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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.