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Finding the Fourth Proportional to 327,231.40, 490,847.10 and 116,876.20

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Solution

The fourth proportional to 327,231.40, 490,847.10 and 116,876.20 is: 175,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,231.40 : 490,847.10 = 116,876.20 : x
  2. Step 2: Convert to fraction form
    327,231.40/490,847.10 = 116,876.20/x
  3. Step 3: Cross multiply
    327,231.40x = 490,847.10 × 116,876.20
  4. Step 4: Simplify right side
    327,231.40x = 57,368,343,829.02
  5. Step 5: Solve for x
    x = 57,368,343,829.02/327,231.40
  6. Step 6: Final answer
    x = 175,314.30

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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.