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Finding the Fourth Proportional to 483,861.60, 667,342.80 and 302,227.20

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Solution

The fourth proportional to 483,861.60, 667,342.80 and 302,227.20 is: 416,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,861.60 : 667,342.80 = 302,227.20 : x
  2. Step 2: Convert to fraction form
    483,861.60/667,342.80 = 302,227.20/x
  3. Step 3: Cross multiply
    483,861.60x = 667,342.80 × 302,227.20
  4. Step 4: Simplify right side
    483,861.60x = 201,689,145,884.16
  5. Step 5: Solve for x
    x = 201,689,145,884.16/483,861.60
  6. Step 6: Final answer
    x = 416,832.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.