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Finding the Fourth Proportional to 327,073.40, 490,610.10 and 237,843.80

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Solution

The fourth proportional to 327,073.40, 490,610.10 and 237,843.80 is: 356,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,073.40 : 490,610.10 = 237,843.80 : x
  2. Step 2: Convert to fraction form
    327,073.40/490,610.10 = 237,843.80/x
  3. Step 3: Cross multiply
    327,073.40x = 490,610.10 × 237,843.80
  4. Step 4: Simplify right side
    327,073.40x = 116,688,570,502.38
  5. Step 5: Solve for x
    x = 116,688,570,502.38/327,073.40
  6. Step 6: Final answer
    x = 356,765.70

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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.