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Finding the Fourth Proportional to 270,217.60, 372,993.60 and 185,614.72

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Solution

The fourth proportional to 270,217.60, 372,993.60 and 185,614.72 is: 256,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,217.60 : 372,993.60 = 185,614.72 : x
  2. Step 2: Convert to fraction form
    270,217.60/372,993.60 = 185,614.72/x
  3. Step 3: Cross multiply
    270,217.60x = 372,993.60 × 185,614.72
  4. Step 4: Simplify right side
    270,217.60x = 69,233,102,625.79
  5. Step 5: Solve for x
    x = 69,233,102,625.79/270,217.60
  6. Step 6: Final answer
    x = 256,212.41

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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.