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Finding the Fourth Proportional to 351,793.60, 485,475.58 and 190,648.64

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Solution

The fourth proportional to 351,793.60, 485,475.58 and 190,648.64 is: 263,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,793.60 : 485,475.58 = 190,648.64 : x
  2. Step 2: Convert to fraction form
    351,793.60/485,475.58 = 190,648.64/x
  3. Step 3: Cross multiply
    351,793.60x = 485,475.58 × 190,648.64
  4. Step 4: Simplify right side
    351,793.60x = 92,555,256,729.01
  5. Step 5: Solve for x
    x = 92,555,256,729.01/351,793.60
  6. Step 6: Final answer
    x = 263,095.34

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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.