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Finding the Fourth Proportional to 265,460.68, 397,255.20 and 165,667.60

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Solution

The fourth proportional to 265,460.68, 397,255.20 and 165,667.60 is: 247,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,460.68 : 397,255.20 = 165,667.60 : x
  2. Step 2: Convert to fraction form
    265,460.68/397,255.20 = 165,667.60/x
  3. Step 3: Cross multiply
    265,460.68x = 397,255.20 × 165,667.60
  4. Step 4: Simplify right side
    265,460.68x = 65,812,315,571.52
  5. Step 5: Solve for x
    x = 65,812,315,571.52/265,460.68
  6. Step 6: Final answer
    x = 247,917.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.