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Finding the Fourth Proportional to 270,292.59, 372,975.21 and 149,414.40

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Solution

The fourth proportional to 270,292.59, 372,975.21 and 149,414.40 is: 206,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,292.59 : 372,975.21 = 149,414.40 : x
  2. Step 2: Convert to fraction form
    270,292.59/372,975.21 = 149,414.40/x
  3. Step 3: Cross multiply
    270,292.59x = 372,975.21 × 149,414.40
  4. Step 4: Simplify right side
    270,292.59x = 55,727,867,217.02
  5. Step 5: Solve for x
    x = 55,727,867,217.02/270,292.59
  6. Step 6: Final answer
    x = 206,176.08

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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.