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Finding the Fourth Proportional to 327,244.40, 490,866.60 and 169,780.40

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Solution

The fourth proportional to 327,244.40, 490,866.60 and 169,780.40 is: 254,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,244.40 : 490,866.60 = 169,780.40 : x
  2. Step 2: Convert to fraction form
    327,244.40/490,866.60 = 169,780.40/x
  3. Step 3: Cross multiply
    327,244.40x = 490,866.60 × 169,780.40
  4. Step 4: Simplify right side
    327,244.40x = 83,339,527,694.64
  5. Step 5: Solve for x
    x = 83,339,527,694.64/327,244.40
  6. Step 6: Final answer
    x = 254,670.60

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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.