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Finding the Fourth Proportional to 274,277.60, 411,416.40 and 227,621.60

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Solution

The fourth proportional to 274,277.60, 411,416.40 and 227,621.60 is: 341,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,277.60 : 411,416.40 = 227,621.60 : x
  2. Step 2: Convert to fraction form
    274,277.60/411,416.40 = 227,621.60/x
  3. Step 3: Cross multiply
    274,277.60x = 411,416.40 × 227,621.60
  4. Step 4: Simplify right side
    274,277.60x = 93,647,259,234.24
  5. Step 5: Solve for x
    x = 93,647,259,234.24/274,277.60
  6. Step 6: Final answer
    x = 341,432.40

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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.