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Finding the Fourth Proportional to 479,452.08, 661,892.60 and 350,245.47

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Solution

The fourth proportional to 479,452.08, 661,892.60 and 350,245.47 is: 483,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,452.08 : 661,892.60 = 350,245.47 : x
  2. Step 2: Convert to fraction form
    479,452.08/661,892.60 = 350,245.47/x
  3. Step 3: Cross multiply
    479,452.08x = 661,892.60 × 350,245.47
  4. Step 4: Simplify right side
    479,452.08x = 231,824,885,652.14
  5. Step 5: Solve for x
    x = 231,824,885,652.14/479,452.08
  6. Step 6: Final answer
    x = 483,520.45

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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.