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Finding the Fourth Proportional to 397,310.40, 595,447.20 and 184,053.60

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Solution

The fourth proportional to 397,310.40, 595,447.20 and 184,053.60 is: 275,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,310.40 : 595,447.20 = 184,053.60 : x
  2. Step 2: Convert to fraction form
    397,310.40/595,447.20 = 184,053.60/x
  3. Step 3: Cross multiply
    397,310.40x = 595,447.20 × 184,053.60
  4. Step 4: Simplify right side
    397,310.40x = 109,594,200,769.92
  5. Step 5: Solve for x
    x = 109,594,200,769.92/397,310.40
  6. Step 6: Final answer
    x = 275,840.25

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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.