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Finding the Fourth Proportional to 270,873.20, 405,388.20 and 237,695.60

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Solution

The fourth proportional to 270,873.20, 405,388.20 and 237,695.60 is: 355,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,873.20 : 405,388.20 = 237,695.60 : x
  2. Step 2: Convert to fraction form
    270,873.20/405,388.20 = 237,695.60/x
  3. Step 3: Cross multiply
    270,873.20x = 405,388.20 × 237,695.60
  4. Step 4: Simplify right side
    270,873.20x = 96,358,991,431.92
  5. Step 5: Solve for x
    x = 96,358,991,431.92/270,873.20
  6. Step 6: Final answer
    x = 355,734.68

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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.