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Finding the Fourth Proportional to 303,951.08, 419,468.42 and 174,909.20

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Solution

The fourth proportional to 303,951.08, 419,468.42 and 174,909.20 is: 241,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,951.08 : 419,468.42 = 174,909.20 : x
  2. Step 2: Convert to fraction form
    303,951.08/419,468.42 = 174,909.20/x
  3. Step 3: Cross multiply
    303,951.08x = 419,468.42 × 174,909.20
  4. Step 4: Simplify right side
    303,951.08x = 73,368,885,287.15
  5. Step 5: Solve for x
    x = 73,368,885,287.15/303,951.08
  6. Step 6: Final answer
    x = 241,383.86

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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.