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Finding the Fourth Proportional to 327,248.40, 490,872.60 and 227,715.60

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Solution

The fourth proportional to 327,248.40, 490,872.60 and 227,715.60 is: 341,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,248.40 : 490,872.60 = 227,715.60 : x
  2. Step 2: Convert to fraction form
    327,248.40/490,872.60 = 227,715.60/x
  3. Step 3: Cross multiply
    327,248.40x = 490,872.60 × 227,715.60
  4. Step 4: Simplify right side
    327,248.40x = 111,779,348,632.56
  5. Step 5: Solve for x
    x = 111,779,348,632.56/327,248.40
  6. Step 6: Final answer
    x = 341,573.40

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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.