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Finding the Fourth Proportional to 343,592.96, 474,142.22 and 190,629.52

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Solution

The fourth proportional to 343,592.96, 474,142.22 and 190,629.52 is: 263,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,592.96 : 474,142.22 = 190,629.52 : x
  2. Step 2: Convert to fraction form
    343,592.96/474,142.22 = 190,629.52/x
  3. Step 3: Cross multiply
    343,592.96x = 474,142.22 × 190,629.52
  4. Step 4: Simplify right side
    343,592.96x = 90,385,504,164.73
  5. Step 5: Solve for x
    x = 90,385,504,164.73/343,592.96
  6. Step 6: Final answer
    x = 263,059.83

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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.