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Finding the Fourth Proportional to 400,499.27, 600,985.22 and 147,958.49

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Solution

The fourth proportional to 400,499.27, 600,985.22 and 147,958.49 is: 222,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,499.27 : 600,985.22 = 147,958.49 : x
  2. Step 2: Convert to fraction form
    400,499.27/600,985.22 = 147,958.49/x
  3. Step 3: Cross multiply
    400,499.27x = 600,985.22 × 147,958.49
  4. Step 4: Simplify right side
    400,499.27x = 88,920,861,918.80
  5. Step 5: Solve for x
    x = 88,920,861,918.80/400,499.27
  6. Step 6: Final answer
    x = 222,025.03

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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.